622406669 has 8 divisors (see below), whose sum is σ = 660555648. Its totient is φ = 584428480.

The previous prime is 622406663. The next prime is 622406683. The reversal of 622406669 is 966604226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622406669 - 2⁸ = 622406413 is a prime.

It is a super-2 number, since 2×622406669² = 774780123231351122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622406663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35147 + ... + 49800.

It is an arithmetic number, because the mean of its divisors is an integer number (82569456).

Almost surely, 2^622406669 is an apocalyptic number.

It is an amenable number.

622406669 is a deficient number, since it is larger than the sum of its proper divisors (38148979).

622406669 is a wasteful number, since it uses less digits than its factorization.

622406669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85395.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 622406669 is about 24948.0794651612. The cubic root of 622406669 is about 853.8037916698.

The spelling of 622406669 in words is "six hundred twenty-two million, four hundred six thousand, six hundred sixty-nine".