7222462388 has 12 divisors (see below), whose sum is σ = 12640562340. Its totient is φ = 3610873152.

The previous prime is 7222462361. The next prime is 7222462397. The reversal of 7222462388 is 8832642227.

It can be written as a sum of positive squares in 2 ways, for example, as 3841272484 + 3381189904 = 61978^2 + 58148^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41231 + ... + 127062.

It is an arithmetic number, because the mean of its divisors is an integer number (1053380195).

Almost surely, 2^7222462388 is an apocalyptic number.

It is an amenable number.

7222462388 is a deficient number, since it is larger than the sum of its proper divisors (5418099952).

7222462388 is a wasteful number, since it uses less digits than its factorization.

7222462388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179026 (or 179024 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 7222462388 is about 84985.0715596569. The cubic root of 7222462388 is about 1932.9847583880.

The spelling of 7222462388 in words is "seven billion, two hundred twenty-two million, four hundred sixty-two thousand, three hundred eighty-eight".