22774977 has 12 divisors (see below), whose sum is σ = 34628880. Its totient is φ = 14384088.

The previous prime is 22774963. The next prime is 22774979. The reversal of 22774977 is 77947722.

It is a happy number.

It is not a de Polignac number, because 22774977 - 2¹⁹ = 22250689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22774979) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 66423 + ... + 66764.

It is an arithmetic number, because the mean of its divisors is an integer number (2885740).

Almost surely, 2^22774977 is an apocalyptic number.

It is an amenable number.

22774977 is a deficient number, since it is larger than the sum of its proper divisors (11853903).

22774977 is a wasteful number, since it uses less digits than its factorization.

22774977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133212 (or 133209 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 22774977 is about 4772.3135898639. The cubic root of 22774977 is about 283.4562141349.

The spelling of 22774977 in words is "twenty-two million, seven hundred seventy-four thousand, nine hundred seventy-seven".