225653651026 has 36 divisors (see below), whose sum is σ = 367530507594. Its totient is φ = 103547815680.

The previous prime is 225653650997. The next prime is 225653651033. The reversal of 225653651026 is 620156356522.

It can be written as a sum of positive squares in 3 ways, for example, as 107488901025 + 118164750001 = 327855^2 + 343751^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113564005 + ... + 113565991.

Almost surely, 2^225653651026 is an apocalyptic number.

225653651026 is a deficient number, since it is larger than the sum of its proper divisors (141876856568).

225653651026 is an frugal number, since it uses more digits than its factorization.

225653651026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 225653651026 in words is "two hundred twenty-five billion, six hundred fifty-three million, six hundred fifty-one thousand, twenty-six".