45227620 has 24 divisors (see below), whose sum is σ = 95478264. Its totient is φ = 17995776.

The previous prime is 45227597. The next prime is 45227641. The reversal of 45227620 is 2672254.

It can be written as a sum of positive squares in 4 ways, for example, as 1350244 + 43877376 = 1162^2 + 6624^2 .

It is a super-2 number, since 2×45227620² = 4091075221728800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1999 + ... + 9718.

It is an arithmetic number, because the mean of its divisors is an integer number (3978261).

Almost surely, 2^45227620 is an apocalyptic number.

It is an amenable number.

45227620 is an abundant number, since it is smaller than the sum of its proper divisors (50250644).

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

45227620 is a wasteful number, since it uses less digits than its factorization.

45227620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11919 (or 11917 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 45227620 is about 6725.1483255018. The cubic root of 45227620 is about 356.2880406696.

Adding to 45227620 its reverse (2672254), we get a palindrome (47899874).

The spelling of 45227620 in words is "forty-five million, two hundred twenty-seven thousand, six hundred twenty".