422733444 has 48 divisors (see below), whose sum is σ = 1130615808. Its totient is φ = 120424608.

The previous prime is 422733439. The next prime is 422733449. The reversal of 422733444 is 444337224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (422733439) and next prime (422733449).

It is a super-2 number, since 2×422733444² = 357407129352202272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (422733449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21897 + ... + 36399.

It is an arithmetic number, because the mean of its divisors is an integer number (23554496).

Almost surely, 2^422733444 is an apocalyptic number.

It is an amenable number.

422733444 is an abundant number, since it is smaller than the sum of its proper divisors (707882364).

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

422733444 is a wasteful number, since it uses less digits than its factorization.

422733444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14864 (or 14862 counting only the distinct ones).

The product of its digits is 64512, while the sum is 33.

The square root of 422733444 is about 20560.4825818851. The cubic root of 422733444 is about 750.5083629006.

It can be divided in two parts, 422 and 733444, that added together give a triangular number (733866 = T₁₂₁₁).

The spelling of 422733444 in words is "four hundred twenty-two million, seven hundred thirty-three thousand, four hundred forty-four".