22412970 has 128 divisors (see below), whose sum is σ = 66873600. Its totient is φ = 5308416.

The previous prime is 22412947. The next prime is 22412977. The reversal of 22412970 is 7921422.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412977) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87082 + ... + 87338.

It is an arithmetic number, because the mean of its divisors is an integer number (522450).

Almost surely, 2^22412970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22412970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33436800).

22412970 is an abundant number, since it is smaller than the sum of its proper divisors (44460630).

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

22412970 is a wasteful number, since it uses less digits than its factorization.

22412970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22412970 is about 4734.2338345291. The cubic root of 22412970 is about 281.9463456093.

The spelling of 22412970 in words is "twenty-two million, four hundred twelve thousand, nine hundred seventy".