22279650 has 24 divisors (see below), whose sum is σ = 55253904. Its totient is φ = 5941200.

The previous prime is 22279643. The next prime is 22279679. The reversal of 22279650 is 5697222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74116 + ... + 74415.

It is an arithmetic number, because the mean of its divisors is an integer number (2302246).

Almost surely, 2^22279650 is an apocalyptic number.

22279650 is an abundant number, since it is smaller than the sum of its proper divisors (32974254).

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

22279650 is a wasteful number, since it uses less digits than its factorization.

22279650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148546 (or 148541 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 22279650 is about 4720.1324133969. The cubic root of 22279650 is about 281.3861957647.

The spelling of 22279650 in words is "twenty-two million, two hundred seventy-nine thousand, six hundred fifty".