22502070 has 32 divisors (see below), whose sum is σ = 60006240. Its totient is φ = 6000480.

The previous prime is 22502059. The next prime is 22502083. The reversal of 22502070 is 7020522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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, 41401 + ... + 41940.

It is an arithmetic number, because the mean of its divisors is an integer number (1875195).

Almost surely, 2^22502070 is an apocalyptic number.

22502070 is an abundant number, since it is smaller than the sum of its proper divisors (37504170).

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

22502070 is a wasteful number, since it uses less digits than its factorization.

22502070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83357 (or 83351 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 22502070 is about 4743.6346823928. The cubic root of 22502070 is about 282.3194659303.

Adding to 22502070 its reverse (7020522), we get a palindrome (29522592).

The spelling of 22502070 in words is "twenty-two million, five hundred two thousand, seventy".