22441264398 has 48 divisors (see below), whose sum is σ = 55643867136. Its totient is φ = 6403133520.

The previous prime is 22441264397. The next prime is 22441264429. The reversal of 22441264398 is 89346214422.

22441264398 is a `hidden beast` number, since 2 + 244 + 12 + 6 + 4 + 398 = 666.

It is a super-2 number, since 2×22441264398² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22441264397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26238 + ... + 213473.

It is an arithmetic number, because the mean of its divisors is an integer number (1159247232).

Almost surely, 2^22441264398 is an apocalyptic number.

22441264398 is an abundant number, since it is smaller than the sum of its proper divisors (33202602738).

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

22441264398 is a wasteful number, since it uses less digits than its factorization.

22441264398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240469 (or 240466 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The spelling of 22441264398 in words is "twenty-two billion, four hundred forty-one million, two hundred sixty-four thousand, three hundred ninety-eight".