9919226344 has 32 divisors (see below), whose sum is σ = 18770056200. Its totient is φ = 4914017280.

The previous prime is 9919226329. The next prime is 9919226411. The reversal of 9919226344 is 4436229199.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8924580900 + 994645444 = 94470^2 + 31538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584572 + ... + 601300.

Almost surely, 2^9919226344 is an apocalyptic number.

It is an amenable number.

9919226344 is a deficient number, since it is larger than the sum of its proper divisors (8850829856).

9919226344 is a wasteful number, since it uses less digits than its factorization.

9919226344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17413 (or 17409 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 9919226344 is about 99595.3128616001. The cubic root of 9919226344 is about 2148.6182825069.

The spelling of 9919226344 in words is "nine billion, nine hundred nineteen million, two hundred twenty-six thousand, three hundred forty-four".