22217284254 has 32 divisors (see below), whose sum is σ = 49784190336. Its totient is φ = 6550549920.

The previous prime is 22217284253. The next prime is 22217284261. The reversal of 22217284254 is 45248271222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22217284253) 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, 4546552 + ... + 4551435.

It is an arithmetic number, because the mean of its divisors is an integer number (1555755948).

Almost surely, 2^22217284254 is an apocalyptic number.

22217284254 is an abundant number, since it is smaller than the sum of its proper divisors (27566906082).

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

22217284254 is a wasteful number, since it uses less digits than its factorization.

22217284254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098040.

The product of its digits is 143360, while the sum is 39.

The spelling of 22217284254 in words is "twenty-two billion, two hundred seventeen million, two hundred eighty-four thousand, two hundred fifty-four".