22281405294 has 16 divisors (see below), whose sum is σ = 44836204032. Its totient is φ = 7381569528.

The previous prime is 22281405271. The next prime is 22281405299. The reversal of 22281405294 is 49250418222.

It is a happy number.

It is a super-2 number, since 2×22281405294² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22281405299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11390334 + ... + 11392289.

It is an arithmetic number, because the mean of its divisors is an integer number (2802262752).

Almost surely, 2^22281405294 is an apocalyptic number.

22281405294 is an abundant number, since it is smaller than the sum of its proper divisors (22554798738).

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

22281405294 is a wasteful number, since it uses less digits than its factorization.

22281405294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22782791.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 22281405294 in words is "twenty-two billion, two hundred eighty-one million, four hundred five thousand, two hundred ninety-four".