988222425 has 12 divisors (see below), whose sum is σ = 1633861200. Its totient is φ = 527051920.

The previous prime is 988222399. The next prime is 988222513. The reversal of 988222425 is 524222889.

It is a de Polignac number, because none of the positive numbers 2^k-988222425 is a prime.

It is a super-2 number, since 2×988222425² = 1953167122545761250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6588075 + ... + 6588224.

It is an arithmetic number, because the mean of its divisors is an integer number (136155100).

Almost surely, 2^988222425 is an apocalyptic number.

It is an amenable number.

988222425 is a deficient number, since it is larger than the sum of its proper divisors (645638775).

988222425 is a wasteful number, since it uses less digits than its factorization.

988222425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13176312 (or 13176307 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 988222425 is about 31436.0052328536. The cubic root of 988222425 is about 996.0586276597.

The spelling of 988222425 in words is "nine hundred eighty-eight million, two hundred twenty-two thousand, four hundred twenty-five".