622006566 has 16 divisors (see below), whose sum is σ = 1244282688. Its totient is φ = 207290600.

The previous prime is 622006423. The next prime is 622006571. The reversal of 622006566 is 665600226.

It is a super-2 number, since 2×622006566² = 773784336294224712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30961 + ... + 46931.

It is an arithmetic number, because the mean of its divisors is an integer number (77767668).

Almost surely, 2^622006566 is an apocalyptic number.

622006566 is an abundant number, since it is smaller than the sum of its proper divisors (622276122).

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

622006566 is a wasteful number, since it uses less digits than its factorization.

622006566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22467.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 622006566 is about 24940.0594626396. The cubic root of 622006566 is about 853.6208016191.

The spelling of 622006566 in words is "six hundred twenty-two million, six thousand, five hundred sixty-six".