7449222515 has 32 divisors (see below), whose sum is σ = 10291470336. Its totient is φ = 5070464640.

The previous prime is 7449222457. The next prime is 7449222551. The reversal of 7449222515 is 5152229447.

It is not a de Polignac number, because 7449222515 - 2⁸ = 7449222259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4297589 + ... + 4299321.

It is an arithmetic number, because the mean of its divisors is an integer number (321608448).

Almost surely, 2^7449222515 is an apocalyptic number.

7449222515 is a deficient number, since it is larger than the sum of its proper divisors (2842247821).

7449222515 is a wasteful number, since it uses less digits than its factorization.

7449222515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579.

The product of its digits is 201600, while the sum is 41.

The square root of 7449222515 is about 86308.8785409705. The cubic root of 7449222515 is about 1953.0063217796.

The spelling of 7449222515 in words is "seven billion, four hundred forty-nine million, two hundred twenty-two thousand, five hundred fifteen".