622416405 has 64 divisors (see below), whose sum is σ = 1108977408. Its totient is φ = 296110080.

The previous prime is 622416401. The next prime is 622416407. The reversal of 622416405 is 504614226.

It is not a de Polignac number, because 622416405 - 2² = 622416401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622416401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2027262 + ... + 2027568.

It is an arithmetic number, because the mean of its divisors is an integer number (17327772).

Almost surely, 2^622416405 is an apocalyptic number.

622416405 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

622416405 is a deficient number, since it is larger than the sum of its proper divisors (486561003).

622416405 is a wasteful number, since it uses less digits than its factorization.

622416405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 622416405 is about 24948.2745896385. The cubic root of 622416405 is about 853.8082435236.

The spelling of 622416405 in words is "six hundred twenty-two million, four hundred sixteen thousand, four hundred five".