22507622 has 8 divisors (see below), whose sum is σ = 33783672. Its totient is φ = 11246400.

The previous prime is 22507621. The next prime is 22507627. The reversal of 22507622 is 22670522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22507591 and 22507600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22507621) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1622 + ... + 6902.

It is an arithmetic number, because the mean of its divisors is an integer number (4222959).

Almost surely, 2^22507622 is an apocalyptic number.

22507622 is a deficient number, since it is larger than the sum of its proper divisors (11276050).

22507622 is a wasteful number, since it uses less digits than its factorization.

22507622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22507622 is about 4744.2198515667. The cubic root of 22507622 is about 282.3426831836.

The spelling of 22507622 in words is "twenty-two million, five hundred seven thousand, six hundred twenty-two".