7915498222 has 16 divisors (see below), whose sum is σ = 12159037440. Its totient is φ = 3862632312.

The previous prime is 7915498207. The next prime is 7915498229. The reversal of 7915498222 is 2228945197.

It is a happy number.

It is a super-2 number, since 2×7915498222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7915498229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74013 + ... + 145975.

It is an arithmetic number, because the mean of its divisors is an integer number (759939840).

Almost surely, 2^7915498222 is an apocalyptic number.

7915498222 is a deficient number, since it is larger than the sum of its proper divisors (4243539218).

7915498222 is a wasteful number, since it uses less digits than its factorization.

7915498222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73287.

The product of its digits is 725760, while the sum is 49.

The square root of 7915498222 is about 88969.0857657872. The cubic root of 7915498222 is about 1992.9332450629.

The spelling of 7915498222 in words is "seven billion, nine hundred fifteen million, four hundred ninety-eight thousand, two hundred twenty-two".