622505226 has 32 divisors (see below), whose sum is σ = 1426659840. Its totient is φ = 177384816.

The previous prime is 622505207. The next prime is 622505291.

622505226 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×622505226² = 775025512794622152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 622505193 and 622505202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3636 + ... + 35471.

It is an arithmetic number, because the mean of its divisors is an integer number (44583120).

Almost surely, 2^622505226 is an apocalyptic number.

622505226 is an abundant number, since it is smaller than the sum of its proper divisors (804154614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622505226 is a wasteful number, since it uses less digits than its factorization.

622505226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39498.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 622505226 is about 24950.0546291987. The cubic root of 622505226 is about 853.8488554003.

It can be divided in two parts, 62250 and 5226, that added together give a palindrome (67476).

The spelling of 622505226 in words is "six hundred twenty-two million, five hundred five thousand, two hundred twenty-six".