45522215 has 16 divisors (see below), whose sum is σ = 55740960. Its totient is φ = 35683200.

The previous prime is 45522193. The next prime is 45522293. The reversal of 45522215 is 51222554.

It is not a de Polignac number, because 45522215 - 2¹⁰ = 45521191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54632 + ... + 55458.

It is an arithmetic number, because the mean of its divisors is an integer number (3483810).

Almost surely, 2^45522215 is an apocalyptic number.

45522215 is a deficient number, since it is larger than the sum of its proper divisors (10218745).

45522215 is a wasteful number, since it uses less digits than its factorization.

45522215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

The product of its digits is 4000, while the sum is 26.

The square root of 45522215 is about 6747.0152660269. The cubic root of 45522215 is about 357.0599407130.

Adding to 45522215 its reverse (51222554), we get a palindrome (96744769).

The spelling of 45522215 in words is "forty-five million, five hundred twenty-two thousand, two hundred fifteen".