22064970 has 32 divisors (see below), whose sum is σ = 54250560. Its totient is φ = 5740160.

The previous prime is 22064957. The next prime is 22064983. The reversal of 22064970 is 7946022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22064957) and next prime (22064983).

It is a super-2 number, since 2×22064970² = 973725802201800, which contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7740 + ... + 10199.

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

Almost surely, 2^22064970 is an apocalyptic number.

22064970 is an abundant number, since it is smaller than the sum of its proper divisors (32185590).

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

22064970 is a wasteful number, since it uses less digits than its factorization.

22064970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17990.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 22064970 is about 4697.3364793253. The cubic root of 22064970 is about 280.4794930372.

The spelling of 22064970 in words is "twenty-two million, sixty-four thousand, nine hundred seventy".