45422621 has 4 divisors (see below), whose sum is σ = 45477600. Its totient is φ = 45367644.

The previous prime is 45422617. The next prime is 45422627. The reversal of 45422621 is 12622454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45422621 - 2² = 45422617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45422627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26231 + ... + 27908.

It is an arithmetic number, because the mean of its divisors is an integer number (11369400).

Almost surely, 2^45422621 is an apocalyptic number.

It is an amenable number.

45422621 is a deficient number, since it is larger than the sum of its proper divisors (54979).

45422621 is an equidigital number, since it uses as much as digits as its factorization.

45422621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54978.

The product of its digits is 3840, while the sum is 26.

The square root of 45422621 is about 6739.6306278608. The cubic root of 45422621 is about 356.7993573700.

The spelling of 45422621 in words is "forty-five million, four hundred twenty-two thousand, six hundred twenty-one".