7149888922 has 32 divisors (see below), whose sum is σ = 11908296000. Its totient is φ = 3192134400.

The previous prime is 7149888901. The next prime is 7149888943. The reversal of 7149888922 is 2298889417.

It is an interprime number because it is at equal distance from previous prime (7149888901) and next prime (7149888943).

It is a super-2 number, since 2×7149888922² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2803704 + ... + 2806252.

It is an arithmetic number, because the mean of its divisors is an integer number (372134250).

Almost surely, 2^7149888922 is an apocalyptic number.

7149888922 is a deficient number, since it is larger than the sum of its proper divisors (4758407078).

7149888922 is a wasteful number, since it uses less digits than its factorization.

7149888922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782.

The product of its digits is 4644864, while the sum is 58.

The square root of 7149888922 is about 84557.0158059046. The cubic root of 7149888922 is about 1926.4885476006.

The spelling of 7149888922 in words is "seven billion, one hundred forty-nine million, eight hundred eighty-eight thousand, nine hundred twenty-two".