22421435284 has 6 divisors (see below), whose sum is σ = 39237511754. Its totient is φ = 11210717640.

The previous prime is 22421435233. The next prime is 22421435287. The reversal of 22421435284 is 48253412422.

It can be written as a sum of positive squares in only one way, i.e., 13248010000 + 9173425284 = 115100^2 + 95778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421435287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802679407 + ... + 2802679414.

Almost surely, 2^22421435284 is an apocalyptic number.

It is an amenable number.

22421435284 is a deficient number, since it is larger than the sum of its proper divisors (16816076470).

22421435284 is a wasteful number, since it uses less digits than its factorization.

22421435284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605358825 (or 5605358823 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The spelling of 22421435284 in words is "twenty-two billion, four hundred twenty-one million, four hundred thirty-five thousand, two hundred eighty-four".