622551233 has 8 divisors (see below), whose sum is σ = 640094952. Its totient is φ = 605045376.

The previous prime is 622551229. The next prime is 622551277. The reversal of 622551233 is 332155226.

It can be written as a sum of positive squares in 4 ways, for example, as 275958544 + 346592689 = 16612^2 + 18617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622551233 - 2² = 622551229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622551196 and 622551205.

It is not an unprimeable number, because it can be changed into a prime (622551133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25691 + ... + 43647.

It is an arithmetic number, because the mean of its divisors is an integer number (80011869).

Almost surely, 2^622551233 is an apocalyptic number.

It is an amenable number.

622551233 is a deficient number, since it is larger than the sum of its proper divisors (17543719).

622551233 is a wasteful number, since it uses less digits than its factorization.

622551233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18931.

The product of its digits is 10800, while the sum is 29.

The square root of 622551233 is about 24950.9765941135. The cubic root of 622551233 is about 853.8698897922.

The spelling of 622551233 in words is "six hundred twenty-two million, five hundred fifty-one thousand, two hundred thirty-three".