622055145 has 16 divisors (see below), whose sum is σ = 1027395072. Its totient is φ = 321060480.

The previous prime is 622055131. The next prime is 622055149. The reversal of 622055145 is 541550226.

It is not a de Polignac number, because 622055145 - 2⁴ = 622055129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622055149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668412 + ... + 669341.

It is an arithmetic number, because the mean of its divisors is an integer number (64212192).

Almost surely, 2^622055145 is an apocalyptic number.

It is an amenable number.

622055145 is a deficient number, since it is larger than the sum of its proper divisors (405339927).

622055145 is a wasteful number, since it uses less digits than its factorization.

622055145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337792.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 622055145 is about 24941.0333587043. The cubic root of 622055145 is about 853.6430237668.

The spelling of 622055145 in words is "six hundred twenty-two million, fifty-five thousand, one hundred forty-five".