22454010 has 80 divisors (see below), whose sum is σ = 63597600. Its totient is φ = 5668704.

The previous prime is 22454009. The next prime is 22454011. The reversal of 22454010 is 1045422.

It is an interprime number because it is at equal distance from previous prime (22454009) and next prime (22454011).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22454011) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14661 + ... + 16119.

It is an arithmetic number, because the mean of its divisors is an integer number (794970).

Almost surely, 2^22454010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22454010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31798800).

22454010 is an abundant number, since it is smaller than the sum of its proper divisors (41143590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22454010 is a wasteful number, since it uses less digits than its factorization.

22454010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22454010 is about 4738.5662388533. The cubic root of 22454010 is about 282.1183296980.

Adding to 22454010 its reverse (1045422), we get a palindrome (23499432).

The spelling of 22454010 in words is "twenty-two million, four hundred fifty-four thousand, ten".