27222801948 has 48 divisors (see below), whose sum is σ = 72485148960. Its totient is φ = 8829015552.

The previous prime is 27222801937. The next prime is 27222801953. The reversal of 27222801948 is 84910822272.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3402261 + ... + 3410252.

It is an arithmetic number, because the mean of its divisors is an integer number (1510107270).

Almost surely, 2^27222801948 is an apocalyptic number.

It is an amenable number.

27222801948 is an abundant number, since it is smaller than the sum of its proper divisors (45262347012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27222801948 is a wasteful number, since it uses less digits than its factorization.

27222801948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812563 (or 6812555 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 27222801948 in words is "twenty-seven billion, two hundred twenty-two million, eight hundred one thousand, nine hundred forty-eight".