622364642 has 16 divisors (see below), whose sum is σ = 964902840. Its totient is φ = 300837888.

The previous prime is 622364641. The next prime is 622364651. The reversal of 622364642 is 246463226.

It can be written as a sum of positive squares in 4 ways, for example, as 478340641 + 144024001 = 21871^2 + 12001^2 .

It is a super-2 number, since 2×622364642² = 774675495223576328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (622364641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15167 + ... + 38402.

Almost surely, 2^622364642 is an apocalyptic number.

622364642 is a deficient number, since it is larger than the sum of its proper divisors (342538198).

622364642 is a wasteful number, since it uses less digits than its factorization.

622364642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53765.

The product of its digits is 82944, while the sum is 35.

The square root of 622364642 is about 24947.2371616578. The cubic root of 622364642 is about 853.7845739989.

The spelling of 622364642 in words is "six hundred twenty-two million, three hundred sixty-four thousand, six hundred forty-two".