22152064 has 32 divisors (see below), whose sum is σ = 48146040. Its totient is φ = 10068480.

The previous prime is 22152061. The next prime is 22152101. The reversal of 22152064 is 46025122.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6459 + ... + 9274.

Almost surely, 2^22152064 is an apocalyptic number.

It is an amenable number.

22152064 is an abundant number, since it is smaller than the sum of its proper divisors (25993976).

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

22152064 is a wasteful number, since it uses less digits than its factorization.

22152064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15758 (or 15746 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22152064 is about 4706.5979220664. The cubic root of 22152064 is about 280.8480411739.

Adding to 22152064 its reverse (46025122), we get a palindrome (68177186).

The spelling of 22152064 in words is "twenty-two million, one hundred fifty-two thousand, sixty-four".