225126642346 has 4 divisors (see below), whose sum is σ = 337689963522. Its totient is φ = 112563321172.

The previous prime is 225126642337. The next prime is 225126642347. The reversal of 225126642346 is 643246621522.

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., 179785328121 + 45341314225 = 424011^2 + 212935^2 .

It is not an unprimeable number, because it can be changed into a prime (225126642347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56281660585 + ... + 56281660588.

Almost surely, 2^225126642346 is an apocalyptic number.

225126642346 is a deficient number, since it is larger than the sum of its proper divisors (112563321176).

225126642346 is a wasteful number, since it uses less digits than its factorization.

225126642346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112563321175.

The product of its digits is 829440, while the sum is 43.

The spelling of 225126642346 in words is "two hundred twenty-five billion, one hundred twenty-six million, six hundred forty-two thousand, three hundred forty-six".