922940647204 has 9 divisors (see below), whose sum is σ = 1615149495057. Its totient is φ = 461469362904.

The previous prime is 922940647199. The next prime is 922940647207. The reversal of 922940647204 is 402746049229.

The square root of 922940647204 is 960698.

It is a perfect power (a square), and thus also a powerful number.

922940647204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 922172248804 + 768398400 = 960298^2 + 27720^2 .

It is a super-2 number, since 2×922940647204² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (922940647207) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1681222 + ... + 2161570.

Almost surely, 2^922940647204 is an apocalyptic number.

922940647204 is the 960698-th square number.

It is an amenable number.

922940647204 is a deficient number, since it is larger than the sum of its proper divisors (692208847853).

922940647204 is an frugal number, since it uses more digits than its factorization.

922940647204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960702 (or 480351 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

Multiplying 922940647204 by its sum of digits (49), we get a square (45224091712996 = 6724886²).

The spelling of 922940647204 in words is "nine hundred twenty-two billion, nine hundred forty million, six hundred forty-seven thousand, two hundred four".