2157275137222 has 8 divisors (see below), whose sum is σ = 3276873626400. Its totient is φ = 1064983928424.

The previous prime is 2157275137219. The next prime is 2157275137223. The reversal of 2157275137222 is 2227315727512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157275137223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6826819897 + ... + 6826820212.

It is an arithmetic number, because the mean of its divisors is an integer number (409609203300).

Almost surely, 2^{2157275137222} is an apocalyptic number.

2157275137222 is a deficient number, since it is larger than the sum of its proper divisors (1119598489178).

2157275137222 is a wasteful number, since it uses less digits than its factorization.

2157275137222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13653640190.

The product of its digits is 823200, while the sum is 46.

The spelling of 2157275137222 in words is "two trillion, one hundred fifty-seven billion, two hundred seventy-five million, one hundred thirty-seven thousand, two hundred twenty-two".