622361405 has 8 divisors (see below), whose sum is σ = 751306752. Its totient is φ = 494907088.

The previous prime is 622361401. The next prime is 622361429. The reversal of 622361405 is 504163226.

622361405 = 412² + 413² + ... + 1246².

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 622361405 - 2² = 622361401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622361401) 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, 371837 + ... + 373506.

It is an arithmetic number, because the mean of its divisors is an integer number (93913344).

Almost surely, 2^622361405 is an apocalyptic number.

It is an amenable number.

622361405 is a deficient number, since it is larger than the sum of its proper divisors (128945347).

622361405 is a wasteful number, since it uses less digits than its factorization.

622361405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745515.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 622361405 is about 24947.1722846498. The cubic root of 622361405 is about 853.7830937812.

The spelling of 622361405 in words is "six hundred twenty-two million, three hundred sixty-one thousand, four hundred five".