22419272 has 32 divisors (see below), whose sum is σ = 43101120. Its totient is φ = 10929600.

The previous prime is 22419263. The next prime is 22419283. The reversal of 22419272 is 27291422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80798 + ... + 81074.

It is an arithmetic number, because the mean of its divisors is an integer number (1346910).

Almost surely, 2^22419272 is an apocalyptic number.

It is an amenable number.

22419272 is a deficient number, since it is larger than the sum of its proper divisors (20681848).

22419272 is a wasteful number, since it uses less digits than its factorization.

22419272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 22419272 is about 4734.8993653509. The cubic root of 22419272 is about 281.9727686932.

The spelling of 22419272 in words is "twenty-two million, four hundred nineteen thousand, two hundred seventy-two".