909722045 has 8 divisors (see below), whose sum is σ = 1095553080. Its totient is φ = 725186560.

The previous prime is 909722041. The next prime is 909722053. The reversal of 909722045 is 540227909.

It can be written as a sum of positive squares in 4 ways, for example, as 3290596 + 906431449 = 1814^2 + 30107^2 .

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

It is not a de Polignac number, because 909722045 - 2² = 909722041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909722041) 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, 322340 + ... + 325149.

It is an arithmetic number, because the mean of its divisors is an integer number (136944135).

Almost surely, 2^909722045 is an apocalyptic number.

It is an amenable number.

909722045 is a deficient number, since it is larger than the sum of its proper divisors (185831035).

909722045 is a wasteful number, since it uses less digits than its factorization.

909722045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647775.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 909722045 is about 30161.5988468781. The cubic root of 909722045 is about 968.9534342380.

The spelling of 909722045 in words is "nine hundred nine million, seven hundred twenty-two thousand, forty-five".