22629885 has 8 divisors (see below), whose sum is σ = 36207840. Its totient is φ = 12069264.

The previous prime is 22629881. The next prime is 22629899. The reversal of 22629885 is 58892622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22629885 - 2² = 22629881 is a prime.

It is a super-2 number, since 2×22629885² = 1024223390226450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22629881) 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, 754315 + ... + 754344.

It is an arithmetic number, because the mean of its divisors is an integer number (4525980).

Almost surely, 2^22629885 is an apocalyptic number.

It is an amenable number.

22629885 is a deficient number, since it is larger than the sum of its proper divisors (13577955).

22629885 is a wasteful number, since it uses less digits than its factorization.

22629885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508667.

The product of its digits is 138240, while the sum is 42.

The square root of 22629885 is about 4757.0878696951. The cubic root of 22629885 is about 282.8529954426.

The spelling of 22629885 in words is "twenty-two million, six hundred twenty-nine thousand, eight hundred eighty-five".