7477222344 has 16 divisors (see below), whose sum is σ = 18693055920. Its totient is φ = 2492407440.

The previous prime is 7477222327. The next prime is 7477222369. The reversal of 7477222344 is 4432227747.

It is a super-2 number, since 2×7477222344² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7477222296 and 7477222305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155775442 + ... + 155775489.

It is an arithmetic number, because the mean of its divisors is an integer number (1168315995).

Almost surely, 2^7477222344 is an apocalyptic number.

It is an amenable number.

7477222344 is an abundant number, since it is smaller than the sum of its proper divisors (11215833576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7477222344 is a wasteful number, since it uses less digits than its factorization.

7477222344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311550940 (or 311550936 counting only the distinct ones).

The product of its digits is 526848, while the sum is 42.

The square root of 7477222344 is about 86470.9335210393. The cubic root of 7477222344 is about 1955.4502220746.

The spelling of 7477222344 in words is "seven billion, four hundred seventy-seven million, two hundred twenty-two thousand, three hundred forty-four".