22651522 has 8 divisors (see below), whose sum is σ = 34056000. Its totient is φ = 11299524.

The previous prime is 22651513. The next prime is 22651543. The reversal of 22651522 is 22515622.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12022 + ... + 13777.

It is an arithmetic number, because the mean of its divisors is an integer number (4257000).

Almost surely, 2^22651522 is an apocalyptic number.

22651522 is a deficient number, since it is larger than the sum of its proper divisors (11404478).

22651522 is a wasteful number, since it uses less digits than its factorization.

22651522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26240.

The product of its digits is 2400, while the sum is 25.

The square root of 22651522 is about 4759.3615117997. The cubic root of 22651522 is about 282.9431143388.

The spelling of 22651522 in words is "twenty-two million, six hundred fifty-one thousand, five hundred twenty-two".