30772122 has 16 divisors (see below), whose sum is σ = 62854272. Its totient is φ = 10039040.

The previous prime is 30772111. The next prime is 30772129. The reversal of 30772122 is 22127703.

It is a junction number, because it is equal to n+sod(n) for n = 30772092 and 30772101.

It is not an unprimeable number, because it can be changed into a prime (30772129) 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, 54279 + ... + 54842.

It is an arithmetic number, because the mean of its divisors is an integer number (3928392).

Almost surely, 2^30772122 is an apocalyptic number.

30772122 is an abundant number, since it is smaller than the sum of its proper divisors (32082150).

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

30772122 is a wasteful number, since it uses less digits than its factorization.

30772122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109173.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 30772122 is about 5547.2625681502. The cubic root of 30772122 is about 313.3664385825.

Adding to 30772122 its reverse (22127703), we get a palindrome (52899825).

The spelling of 30772122 in words is "thirty million, seven hundred seventy-two thousand, one hundred twenty-two".