22629740 has 24 divisors (see below), whose sum is σ = 54311712. Its totient is φ = 7758720.

The previous prime is 22629731. The next prime is 22629743. The reversal of 22629740 is 4792622.

It is a junction number, because it is equal to n+sod(n) for n = 22629697 and 22629706.

It is not an unprimeable number, because it can be changed into a prime (22629743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80681 + ... + 80960.

It is an arithmetic number, because the mean of its divisors is an integer number (2262988).

Almost surely, 2^22629740 is an apocalyptic number.

22629740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22629740 is an abundant number, since it is smaller than the sum of its proper divisors (31681972).

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

22629740 is a wasteful number, since it uses less digits than its factorization.

22629740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161657 (or 161655 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 22629740 is about 4757.0726292543. The cubic root of 22629740 is about 282.8523913185.

The spelling of 22629740 in words is "twenty-two million, six hundred twenty-nine thousand, seven hundred forty".