622462405 has 4 divisors (see below), whose sum is σ = 746954892. Its totient is φ = 497969920.

The previous prime is 622462391. The next prime is 622462447. The reversal of 622462405 is 504264226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504264226 = 2 ⋅252132113.

It can be written as a sum of positive squares in 2 ways, for example, as 321162241 + 301300164 = 17921^2 + 17358^2 .

It is not a de Polignac number, because 622462405 - 2⁹ = 622461893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62246236 + ... + 62246245.

It is an arithmetic number, because the mean of its divisors is an integer number (186738723).

Almost surely, 2^622462405 is an apocalyptic number.

It is an amenable number.

622462405 is a deficient number, since it is larger than the sum of its proper divisors (124492487).

622462405 is a wasteful number, since it uses less digits than its factorization.

622462405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124492486.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 622462405 is about 24949.1964800472. The cubic root of 622462405 is about 853.8292767158.

The spelling of 622462405 in words is "six hundred twenty-two million, four hundred sixty-two thousand, four hundred five".