45622215 has 12 divisors (see below), whose sum is σ = 79078584. Its totient is φ = 24331824.

The previous prime is 45622189. The next prime is 45622259. The reversal of 45622215 is 51222654.

45622215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45622215 - 2¹² = 45618119 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 506869 + ... + 506958.

It is an arithmetic number, because the mean of its divisors is an integer number (6589882).

Almost surely, 2^45622215 is an apocalyptic number.

45622215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45622215 is a deficient number, since it is larger than the sum of its proper divisors (33456369).

45622215 is a wasteful number, since it uses less digits than its factorization.

45622215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013838 (or 1013835 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 45622215 is about 6754.4218849580. The cubic root of 45622215 is about 357.3212042189.

Adding to 45622215 its reverse (51222654), we get a palindrome (96844869).

The spelling of 45622215 in words is "forty-five million, six hundred twenty-two thousand, two hundred fifteen".