22152445 has 32 divisors (see below), whose sum is σ = 33232896. Its totient is φ = 13824000.

The previous prime is 22152437. The next prime is 22152467. The reversal of 22152445 is 54425122.

It is not a de Polignac number, because 22152445 - 2³ = 22152437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17845 + ... + 19045.

It is an arithmetic number, because the mean of its divisors is an integer number (1038528).

Almost surely, 2^22152445 is an apocalyptic number.

It is an amenable number.

22152445 is a deficient number, since it is larger than the sum of its proper divisors (11080451).

22152445 is a wasteful number, since it uses less digits than its factorization.

22152445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its digits is 3200, while the sum is 25.

The square root of 22152445 is about 4706.6383969878. The cubic root of 22152445 is about 280.8496512946.

Adding to 22152445 its reverse (54425122), we get a palindrome (76577567).

The spelling of 22152445 in words is "twenty-two million, one hundred fifty-two thousand, four hundred forty-five".