27222490340 has 12 divisors (see below), whose sum is σ = 57167229756. Its totient is φ = 10888996128.

The previous prime is 27222490283. The next prime is 27222490357. The reversal of 27222490340 is 4309422272.

It can be written as a sum of positive squares in 2 ways, for example, as 14092538944 + 13129951396 = 118712^2 + 114586^2 .

It is a super-2 number, since 2×27222490340² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27222490340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680562239 + ... + 680562278.

It is an arithmetic number, because the mean of its divisors is an integer number (4763935813).

Almost surely, 2^27222490340 is an apocalyptic number.

27222490340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27222490340 is an abundant number, since it is smaller than the sum of its proper divisors (29944739416).

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

27222490340 is a wasteful number, since it uses less digits than its factorization.

27222490340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361124526 (or 1361124524 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 27222490340 in words is "twenty-seven billion, two hundred twenty-two million, four hundred ninety thousand, three hundred forty".