622239453 has 12 divisors (see below), whose sum is σ = 980498688. Its totient is φ = 377114760.

The previous prime is 622239433. The next prime is 622239469. The reversal of 622239453 is 354932226.

It is a happy number.

622239453 is a `hidden beast` number, since 622 + 23 + 9 + 4 + 5 + 3 = 666.

It is not a de Polignac number, because 622239453 - 2¹⁷ = 622108381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622239433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3142525 + ... + 3142722.

It is an arithmetic number, because the mean of its divisors is an integer number (81708224).

Almost surely, 2^622239453 is an apocalyptic number.

It is an amenable number.

622239453 is a deficient number, since it is larger than the sum of its proper divisors (358259235).

622239453 is a wasteful number, since it uses less digits than its factorization.

622239453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285264 (or 6285261 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 622239453 is about 24944.7279600320. The cubic root of 622239453 is about 853.7273237433.

The spelling of 622239453 in words is "six hundred twenty-two million, two hundred thirty-nine thousand, four hundred fifty-three".