22985970 has 64 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 5024448.

The previous prime is 22985957. The next prime is 22986001. The reversal of 22985970 is 7958922.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2451 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^22985970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22985970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32901120).

22985970 is an abundant number, since it is smaller than the sum of its proper divisors (42816270).

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

22985970 is a wasteful number, since it uses less digits than its factorization.

22985970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 22985970 is about 4794.3685715639. The cubic root of 22985970 is about 284.3288609281.

The spelling of 22985970 in words is "twenty-two million, nine hundred eighty-five thousand, nine hundred seventy".