45220344 has 48 divisors (see below), whose sum is σ = 122427000. Its totient is φ = 13912704.

The previous prime is 45220319. The next prime is 45220363. The reversal of 45220344 is 44302254.

It is a super-2 number, since 2×45220344² = 4089759022956672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1519 + ... + 9630.

Almost surely, 2^45220344 is an apocalyptic number.

It is an amenable number.

45220344 is an abundant number, since it is smaller than the sum of its proper divisors (77206656).

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

45220344 is a wasteful number, since it uses less digits than its factorization.

45220344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184 (or 11167 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45220344 is about 6724.6073491320. The cubic root of 45220344 is about 356.2689336813.

Adding to 45220344 its reverse (44302254), we get a palindrome (89522598).

The spelling of 45220344 in words is "forty-five million, two hundred twenty thousand, three hundred forty-four".