622525226 has 4 divisors (see below), whose sum is σ = 933787842. Its totient is φ = 311262612.

The previous prime is 622525219. The next prime is 622525237.

622525226 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 580858201 + 41667025 = 24101^2 + 6455^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 622525192 and 622525201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155631305 + ... + 155631308.

Almost surely, 2^622525226 is an apocalyptic number.

622525226 is a deficient number, since it is larger than the sum of its proper divisors (311262616).

622525226 is a wasteful number, since it uses less digits than its factorization.

622525226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311262615.

The product of its digits is 28800, while the sum is 32.

The square root of 622525226 is about 24950.4554267051. The cubic root of 622525226 is about 853.8579995239.

The spelling of 622525226 in words is "six hundred twenty-two million, five hundred twenty-five thousand, two hundred twenty-six".