7220457552136 has 32 divisors (see below), whose sum is σ = 13570976053440. Its totient is φ = 3601534742848.

The previous prime is 7220457552097. The next prime is 7220457552151. The reversal of 7220457552136 is 6312557540227.

It is a self number, because there is not a number n which added to its sum of digits gives 7220457552136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13816986 + ... + 14330038.

It is an arithmetic number, because the mean of its divisors is an integer number (424093001670).

Almost surely, 2^{7220457552136} is an apocalyptic number.

It is an amenable number.

7220457552136 is a deficient number, since it is larger than the sum of its proper divisors (6350518501304).

7220457552136 is a wasteful number, since it uses less digits than its factorization.

7220457552136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517293 (or 517289 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 7220457552136 in words is "seven trillion, two hundred twenty billion, four hundred fifty-seven million, five hundred fifty-two thousand, one hundred thirty-six".