620925922 has 16 divisors (see below), whose sum is σ = 947000160. Its totient is φ = 305302048.

The previous prime is 620925919. The next prime is 620925937. The reversal of 620925922 is 229529026.

It is a happy number.

It is a super-2 number, since 2×620925922² = 771098001223100168, which contains 22 as substring.

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, 18729 + ... + 39907.

It is an arithmetic number, because the mean of its divisors is an integer number (59187510).

Almost surely, 2^620925922 is an apocalyptic number.

620925922 is a deficient number, since it is larger than the sum of its proper divisors (326074238).

620925922 is a wasteful number, since it uses less digits than its factorization.

620925922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21425.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 620925922 is about 24918.3852205555. The cubic root of 620925922 is about 853.1261686164.

It can be divided in two parts, 6209 and 25922, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 620925922 in words is "six hundred twenty million, nine hundred twenty-five thousand, nine hundred twenty-two".