622442145 has 32 divisors (see below), whose sum is σ = 1073931264. Its totient is φ = 306028800.

The previous prime is 622442137. The next prime is 622442159. The reversal of 622442145 is 541244226.

It is not a de Polignac number, because 622442145 - 2³ = 622442137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191635 + ... + 194855.

It is an arithmetic number, because the mean of its divisors is an integer number (33560352).

Almost surely, 2^622442145 is an apocalyptic number.

622442145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

622442145 is a deficient number, since it is larger than the sum of its proper divisors (451489119).

622442145 is a wasteful number, since it uses less digits than its factorization.

622442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233.

The product of its digits is 15360, while the sum is 30.

The square root of 622442145 is about 24948.7904516431. The cubic root of 622442145 is about 853.8200130941.

The spelling of 622442145 in words is "six hundred twenty-two million, four hundred forty-two thousand, one hundred forty-five".