622561708 has 6 divisors (see below), whose sum is σ = 1089482996. Its totient is φ = 311280852.

The previous prime is 622561703. The next prime is 622561721. The reversal of 622561708 is 807165226.

It is a happy number.

It is a super-3 number, since 3×622561708³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (622561703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77820210 + ... + 77820217.

Almost surely, 2^622561708 is an apocalyptic number.

It is an amenable number.

622561708 is a deficient number, since it is larger than the sum of its proper divisors (466921288).

622561708 is a wasteful number, since it uses less digits than its factorization.

622561708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155640431 (or 155640429 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 622561708 is about 24951.1865048538. The cubic root of 622561708 is about 853.8746788154.

It can be divided in two parts, 622 and 561708, that added together give a triangular number (562330 = T₁₀₆₀).

The spelling of 622561708 in words is "six hundred twenty-two million, five hundred sixty-one thousand, seven hundred eight".