45722321 has 8 divisors (see below), whose sum is σ = 47957184. Its totient is φ = 43508080.

The previous prime is 45722291. The next prime is 45722323. The reversal of 45722321 is 12322754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45722321 - 2²² = 41528017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45722323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (5994648).

Almost surely, 2^45722321 is an apocalyptic number.

It is an amenable number.

45722321 is a deficient number, since it is larger than the sum of its proper divisors (2234863).

45722321 is a wasteful number, since it uses less digits than its factorization.

45722321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311.

The product of its digits is 3360, while the sum is 26.

The square root of 45722321 is about 6761.8282291108. The cubic root of 45722321 is about 357.5823625580.

The spelling of 45722321 in words is "forty-five million, seven hundred twenty-two thousand, three hundred twenty-one".