22729112 has 32 divisors (see below), whose sum is σ = 49843200. Its totient is φ = 9513504.

The previous prime is 22729093. The next prime is 22729117. The reversal of 22729112 is 21192722.

It is a super-3 number, since 3×22729112³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22729117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312 + ... + 7127.

It is an arithmetic number, because the mean of its divisors is an integer number (1557600).

Almost surely, 2^22729112 is an apocalyptic number.

It is an amenable number.

22729112 is an abundant number, since it is smaller than the sum of its proper divisors (27114088).

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

22729112 is a wasteful number, since it uses less digits than its factorization.

22729112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495 (or 9491 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 22729112 is about 4767.5058468763. The cubic root of 22729112 is about 283.2658084376.

The spelling of 22729112 in words is "twenty-two million, seven hundred twenty-nine thousand, one hundred twelve".