622040746 has 4 divisors (see below), whose sum is σ = 933061122. Its totient is φ = 311020372.

The previous prime is 622040651. The next prime is 622040789. The reversal of 622040746 is 647040226.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 621953721 + 87025 = 24939^2 + 295^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155510185 + ... + 155510188.

Almost surely, 2^622040746 is an apocalyptic number.

622040746 is a deficient number, since it is larger than the sum of its proper divisors (311020376).

622040746 is a wasteful number, since it uses less digits than its factorization.

622040746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311020375.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 622040746 is about 24940.7446961794. The cubic root of 622040746 is about 853.6364371585.

The spelling of 622040746 in words is "six hundred twenty-two million, forty thousand, seven hundred forty-six".