655704122 has 4 divisors (see below), whose sum is σ = 983556186. Its totient is φ = 327852060.

The previous prime is 655704113. The next prime is 655704131. The reversal of 655704122 is 221407556.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (655704113) and next prime (655704131).

It can be written as a sum of positive squares in only one way, i.e., 608658241 + 47045881 = 24671^2 + 6859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163926029 + ... + 163926032.

Almost surely, 2^655704122 is an apocalyptic number.

655704122 is a deficient number, since it is larger than the sum of its proper divisors (327852064).

655704122 is a wasteful number, since it uses less digits than its factorization.

655704122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327852063.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 655704122 is about 25606.7202507467. The cubic root of 655704122 is about 868.7656437188.

The spelling of 655704122 in words is "six hundred fifty-five million, seven hundred four thousand, one hundred twenty-two".