275222157 has 8 divisors (see below), whose sum is σ = 419386176. Its totient is φ = 157269792.

The previous prime is 275222149. The next prime is 275222159. The reversal of 275222157 is 751222572.

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

It is not a de Polignac number, because 275222157 - 2³ = 275222149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275222159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6552888 + ... + 6552929.

It is an arithmetic number, because the mean of its divisors is an integer number (52423272).

Almost surely, 2^275222157 is an apocalyptic number.

It is an amenable number.

275222157 is a deficient number, since it is larger than the sum of its proper divisors (144164019).

275222157 is a wasteful number, since it uses less digits than its factorization.

275222157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13105827.

The product of its digits is 19600, while the sum is 33.

The square root of 275222157 is about 16589.8208851090. The cubic root of 275222157 is about 650.4707887130.

The spelling of 275222157 in words is "two hundred seventy-five million, two hundred twenty-two thousand, one hundred fifty-seven".