655651226 has 4 divisors (see below), whose sum is σ = 983476842. Its totient is φ = 327825612.

The previous prime is 655651207. The next prime is 655651261. The reversal of 655651226 is 622156556.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 650199001 + 5452225 = 25499^2 + 2335^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 655651226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163912805 + ... + 163912808.

Almost surely, 2^655651226 is an apocalyptic number.

655651226 is a deficient number, since it is larger than the sum of its proper divisors (327825616).

655651226 is a wasteful number, since it uses less digits than its factorization.

655651226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327825615.

The product of its digits is 108000, while the sum is 38.

The square root of 655651226 is about 25605.6873760499. The cubic root of 655651226 is about 868.7422818285.

The spelling of 655651226 in words is "six hundred fifty-five million, six hundred fifty-one thousand, two hundred twenty-six".