422551253422 has 4 divisors (see below), whose sum is σ = 633826880136. Its totient is φ = 211275626710.

The previous prime is 422551253413. The next prime is 422551253437. The reversal of 422551253422 is 224352155224.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105637813354 + ... + 105637813357.

It is an arithmetic number, because the mean of its divisors is an integer number (158456720034).

Almost surely, 2^422551253422 is an apocalyptic number.

422551253422 is a deficient number, since it is larger than the sum of its proper divisors (211275626714).

422551253422 is a wasteful number, since it uses less digits than its factorization.

422551253422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211275626713.

The product of its digits is 192000, while the sum is 37.

The spelling of 422551253422 in words is "four hundred twenty-two billion, five hundred fifty-one million, two hundred fifty-three thousand, four hundred twenty-two".