22122430 has 48 divisors (see below), whose sum is σ = 44815680. Its totient is φ = 7853120.

The previous prime is 22122427. The next prime is 22122461. The reversal of 22122430 is 3422122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56676 + ... + 57064.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 2^22122430 is an apocalyptic number.

22122430 is an abundant number, since it is smaller than the sum of its proper divisors (22693250).

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

22122430 is a wasteful number, since it uses less digits than its factorization.

22122430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22122430 is about 4703.4487347052. The cubic root of 22122430 is about 280.7227501426.

Adding to 22122430 its reverse (3422122), we get a palindrome (25544552).

The spelling of 22122430 in words is "twenty-two million, one hundred twenty-two thousand, four hundred thirty".