622293055 has 4 divisors (see below), whose sum is σ = 746751672. Its totient is φ = 497834440.

The previous prime is 622293029. The next prime is 622293071. The reversal of 622293055 is 550392226.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-622293055 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622293055.

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, 62229301 + ... + 62229310.

It is an arithmetic number, because the mean of its divisors is an integer number (186687918).

Almost surely, 2^622293055 is an apocalyptic number.

622293055 is a deficient number, since it is larger than the sum of its proper divisors (124458617).

622293055 is a wasteful number, since it uses less digits than its factorization.

622293055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124458616.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 622293055 is about 24945.8023522997. The cubic root of 622293055 is about 853.7518374456.

The spelling of 622293055 in words is "six hundred twenty-two million, two hundred ninety-three thousand, fifty-five".