622888226 has 4 divisors (see below), whose sum is σ = 934332342. Its totient is φ = 311444112.

The previous prime is 622888223. The next prime is 622888243.

It is a happy number.

622888226 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., 499567201 + 123321025 = 22351^2 + 11105^2 .

It is not an unprimeable number, because it can be changed into a prime (622888223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155722055 + ... + 155722058.

Almost surely, 2^622888226 is an apocalyptic number.

622888226 is a deficient number, since it is larger than the sum of its proper divisors (311444116).

622888226 is a wasteful number, since it uses less digits than its factorization.

622888226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311444115.

The product of its digits is 294912, while the sum is 44.

The square root of 622888226 is about 24957.7287828841. The cubic root of 622888226 is about 854.0239313424.

The spelling of 622888226 in words is "six hundred twenty-two million, eight hundred eighty-eight thousand, two hundred twenty-six".