22352156 has 24 divisors (see below), whose sum is σ = 40687920. Its totient is φ = 10731392.

The previous prime is 22352129. The next prime is 22352171. The reversal of 22352156 is 65125322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26615 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (1695330).

Almost surely, 2^22352156 is an apocalyptic number.

It is an amenable number.

22352156 is a deficient number, since it is larger than the sum of its proper divisors (18335764).

22352156 is a wasteful number, since it uses less digits than its factorization.

22352156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1091 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 22352156 is about 4727.8066796349. The cubic root of 22352156 is about 281.6911092234.

Adding to 22352156 its reverse (65125322), we get a palindrome (87477478).

The spelling of 22352156 in words is "twenty-two million, three hundred fifty-two thousand, one hundred fifty-six".