30922764 has 48 divisors (see below), whose sum is σ = 75828480. Its totient is φ = 9789120.

The previous prime is 30922699. The next prime is 30922769. The reversal of 30922764 is 46722903.

It is not an unprimeable number, because it can be changed into a prime (30922769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49647 + ... + 50265.

It is an arithmetic number, because the mean of its divisors is an integer number (1579760).

Almost surely, 2^30922764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30922764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37914240).

30922764 is an abundant number, since it is smaller than the sum of its proper divisors (44905716).

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

30922764 is a wasteful number, since it uses less digits than its factorization.

30922764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30922764 is about 5560.8240396546. The cubic root of 30922764 is about 313.8769582968.

It can be divided in two parts, 309227 and 64, that added together give a triangular number (309291 = T₇₈₆).

The spelling of 30922764 in words is "thirty million, nine hundred twenty-two thousand, seven hundred sixty-four".