10447220944 has 10 divisors (see below), whose sum is σ = 20241490610. Its totient is φ = 5223610464.

The previous prime is 10447220941. The next prime is 10447220963. The reversal of 10447220944 is 44902274401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10158220944 + 289000000 = 100788^2 + 17000^2 .

It is a super-2 number, since 2×10447220944² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10447220941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326475639 + ... + 326475670.

It is an arithmetic number, because the mean of its divisors is an integer number (2024149061).

Almost surely, 2^10447220944 is an apocalyptic number.

It is an amenable number.

10447220944 is a deficient number, since it is larger than the sum of its proper divisors (9794269666).

10447220944 is an equidigital number, since it uses as much as digits as its factorization.

10447220944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652951317 (or 652951311 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 10447220944 in words is "ten billion, four hundred forty-seven million, two hundred twenty thousand, nine hundred forty-four".