30772022 has 16 divisors (see below), whose sum is σ = 48291552. Its totient is φ = 14678400.

The previous prime is 30772013. The next prime is 30772033. The reversal of 30772022 is 22027703.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25022 + ... + 26222.

It is an arithmetic number, because the mean of its divisors is an integer number (3018222).

Almost surely, 2^30772022 is an apocalyptic number.

30772022 is a deficient number, since it is larger than the sum of its proper divisors (17519530).

30772022 is a wasteful number, since it uses less digits than its factorization.

30772022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 30772022 is about 5547.2535546881. The cubic root of 30772022 is about 313.3660991337.

Adding to 30772022 its reverse (22027703), we get a palindrome (52799725).

The spelling of 30772022 in words is "thirty million, seven hundred seventy-two thousand, twenty-two".