7455257222 has 32 divisors (see below), whose sum is σ = 13139703360. Its totient is φ = 3105861120.

The previous prime is 7455257213. The next prime is 7455257267. The reversal of 7455257222 is 2227525547.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 7455257222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135554 + ... + 182442.

It is an arithmetic number, because the mean of its divisors is an integer number (410615730).

Almost surely, 2^7455257222 is an apocalyptic number.

7455257222 is a deficient number, since it is larger than the sum of its proper divisors (5684446138).

7455257222 is a wasteful number, since it uses less digits than its factorization.

7455257222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47216.

The product of its digits is 392000, while the sum is 41.

The square root of 7455257222 is about 86343.8314067658. The cubic root of 7455257222 is about 1953.5335642632.

The spelling of 7455257222 in words is "seven billion, four hundred fifty-five million, two hundred fifty-seven thousand, two hundred twenty-two".