422045205524251 has 8 divisors (see below), whose sum is σ = 422173252448640. Its totient is φ = 421917160035648.

The previous prime is 422045205524227. The next prime is 422045205524263. The reversal of 422045205524251 is 152425502540224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422045205524251 - 2¹⁷ = 422045205393179 is a prime.

It is a super-2 number, since 2×422045205524251² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422045205524198 and 422045205524207.

It is not an unprimeable number, because it can be changed into a prime (422045205528251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049879545 + ... + 1050281461.

It is an arithmetic number, because the mean of its divisors is an integer number (52771656556080).

Almost surely, 2^{422045205524251} is an apocalyptic number.

422045205524251 is a deficient number, since it is larger than the sum of its proper divisors (128046924389).

422045205524251 is a wasteful number, since it uses less digits than its factorization.

422045205524251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717893.

The product of its (nonzero) digits is 1280000, while the sum is 43.

The spelling of 422045205524251 in words is "four hundred twenty-two trillion, forty-five billion, two hundred five million, five hundred twenty-four thousand, two hundred fifty-one".