22077664 has 24 divisors (see below), whose sum is σ = 49675248. Its totient is φ = 9461760.

The previous prime is 22077659. The next prime is 22077667. The reversal of 22077664 is 46677022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22077667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49057 + ... + 49504.

It is an arithmetic number, because the mean of its divisors is an integer number (2069802).

Almost surely, 2^22077664 is an apocalyptic number.

It is an amenable number.

22077664 is an abundant number, since it is smaller than the sum of its proper divisors (27597584).

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

22077664 is an equidigital number, since it uses as much as digits as its factorization.

22077664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98578 (or 98570 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 22077664 is about 4698.6874763065. The cubic root of 22077664 is about 280.5332694399.

The spelling of 22077664 in words is "twenty-two million, seventy-seven thousand, six hundred sixty-four".