422240656253 has 16 divisors (see below), whose sum is σ = 457952147520. Its totient is φ = 386998539264.

The previous prime is 422240656247. The next prime is 422240656283. The reversal of 422240656253 is 352656042224.

It is a cyclic number.

It is not a de Polignac number, because 422240656253 - 2¹⁰ = 422240655229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422240656253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422240656283) 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, 1151318 + ... + 1473096.

It is an arithmetic number, because the mean of its divisors is an integer number (28622009220).

Almost surely, 2^422240656253 is an apocalyptic number.

It is an amenable number.

422240656253 is a deficient number, since it is larger than the sum of its proper divisors (35711491267).

422240656253 is a wasteful number, since it uses less digits than its factorization.

422240656253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322508.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 422240656253 its reverse (352656042224), we get a palindrome (774896698477).

The spelling of 422240656253 in words is "four hundred twenty-two billion, two hundred forty million, six hundred fifty-six thousand, two hundred fifty-three".