622228887 has 24 divisors (see below), whose sum is σ = 1027828256. Its totient is φ = 355332096.

The previous prime is 622228879. The next prime is 622228897. The reversal of 622228887 is 788822226.

It is a happy number.

It is not a de Polignac number, because 622228887 - 2³ = 622228879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622228847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178263 + ... + 181719.

Almost surely, 2^622228887 is an apocalyptic number.

622228887 is a deficient number, since it is larger than the sum of its proper divisors (405599369).

622228887 is a wasteful number, since it uses less digits than its factorization.

622228887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327 (or 6324 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 622228887 is about 24944.5161708942. The cubic root of 622228887 is about 853.7224914482.

The spelling of 622228887 in words is "six hundred twenty-two million, two hundred twenty-eight thousand, eight hundred eighty-seven".