45224901221 has 8 divisors (see below), whose sum is σ = 47627416320. Its totient is φ = 42824611872.

The previous prime is 45224901187. The next prime is 45224901247. The reversal of 45224901221 is 12210942254.

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 45224901221 - 2²² = 45220706917 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 (45224901251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514640 + ... + 596073.

It is an arithmetic number, because the mean of its divisors is an integer number (5953427040).

Almost surely, 2^45224901221 is an apocalyptic number.

It is an amenable number.

45224901221 is a deficient number, since it is larger than the sum of its proper divisors (2402515099).

45224901221 is a wasteful number, since it uses less digits than its factorization.

45224901221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112875.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 45224901221 in words is "forty-five billion, two hundred twenty-four million, nine hundred one thousand, two hundred twenty-one".