225139402422 has 32 divisors (see below), whose sum is σ = 545792492160. Its totient is φ = 68224061160.

The previous prime is 225139402421. The next prime is 225139402489. The reversal of 225139402422 is 224204931522.

225139402422 is a `hidden beast` number, since 2 + 25 + 1 + 394 + 0 + 242 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225139402421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189510688 + ... + 189511875.

It is an arithmetic number, because the mean of its divisors is an integer number (17056015380).

Almost surely, 2^225139402422 is an apocalyptic number.

225139402422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225139402422 is an abundant number, since it is smaller than the sum of its proper divisors (320653089738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225139402422 is a wasteful number, since it uses less digits than its factorization.

225139402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379022585 (or 379022579 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 225139402422 in words is "two hundred twenty-five billion, one hundred thirty-nine million, four hundred two thousand, four hundred twenty-two".