22715030 has 64 divisors (see below), whose sum is σ = 47029248. Its totient is φ = 7835520.

The previous prime is 22715029. The next prime is 22715041. The reversal of 22715030 is 3051722.

It is a junction number, because it is equal to n+sod(n) for n = 22714993 and 22715011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212237 + ... + 212343.

It is an arithmetic number, because the mean of its divisors is an integer number (734832).

Almost surely, 2^22715030 is an apocalyptic number.

22715030 is an abundant number, since it is smaller than the sum of its proper divisors (24314218).

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

22715030 is a wasteful number, since it uses less digits than its factorization.

22715030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 22715030 is about 4766.0287451924. The cubic root of 22715030 is about 283.2072964993.

Adding to 22715030 its reverse (3051722), we get a palindrome (25766752).

The spelling of 22715030 in words is "twenty-two million, seven hundred fifteen thousand, thirty".