22077976 has 32 divisors (see below), whose sum is σ = 43676640. Its totient is φ = 10441728.

The previous prime is 22077973. The next prime is 22077989. The reversal of 22077976 is 67977022.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22077973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17230 + ... + 18466.

It is an arithmetic number, because the mean of its divisors is an integer number (1364895).

Almost surely, 2^22077976 is an apocalyptic number.

It is an amenable number.

22077976 is a deficient number, since it is larger than the sum of its proper divisors (21598664).

22077976 is a wasteful number, since it uses less digits than its factorization.

22077976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 22077976 is about 4698.7206769503. The cubic root of 22077976 is about 280.5345909258.

The spelling of 22077976 in words is "twenty-two million, seventy-seven thousand, nine hundred seventy-six".