22169730 has 32 divisors (see below), whose sum is σ = 58045248. Its totient is φ = 5374400.

The previous prime is 22169729. The next prime is 22169737. The reversal of 22169730 is 3796122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22169737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33261 + ... + 33920.

It is an arithmetic number, because the mean of its divisors is an integer number (1813914).

Almost surely, 2^22169730 is an apocalyptic number.

22169730 is an abundant number, since it is smaller than the sum of its proper divisors (35875518).

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

22169730 is a wasteful number, since it uses less digits than its factorization.

22169730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67202.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 22169730 is about 4708.4742751766. The cubic root of 22169730 is about 280.9226789620.

The spelling of 22169730 in words is "twenty-two million, one hundred sixty-nine thousand, seven hundred thirty".