6557201522 has 16 divisors (see below), whose sum is σ = 10049588352. Its totient is φ = 3207401520.

The previous prime is 6557201489. The next prime is 6557201543. The reversal of 6557201522 is 2251027556.

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, 212168 + ... + 241100.

It is an arithmetic number, because the mean of its divisors is an integer number (628099272).

Almost surely, 2^6557201522 is an apocalyptic number.

6557201522 is a deficient number, since it is larger than the sum of its proper divisors (3492386830).

6557201522 is a wasteful number, since it uses less digits than its factorization.

6557201522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31393.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 6557201522 is about 80976.5492102498. The cubic root of 6557201522 is about 1871.7140928767.

The spelling of 6557201522 in words is "six billion, five hundred fifty-seven million, two hundred one thousand, five hundred twenty-two".