22030244236 has 48 divisors (see below), whose sum is σ = 51763380480. Its totient is φ = 7922963520.

The previous prime is 22030244233. The next prime is 22030244281. The reversal of 22030244236 is 63244203022.

It is a super-2 number, since 2×22030244236² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22030244233) 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, 2747026 + ... + 2755033.

It is an arithmetic number, because the mean of its divisors is an integer number (1078403760).

Almost surely, 2^22030244236 is an apocalyptic number.

22030244236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22030244236 is an abundant number, since it is smaller than the sum of its proper divisors (29733136244).

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

22030244236 is a wasteful number, since it uses less digits than its factorization.

22030244236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502094 (or 5502092 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22030244236 its reverse (63244203022), we get a palindrome (85274447258).

The spelling of 22030244236 in words is "twenty-two billion, thirty million, two hundred forty-four thousand, two hundred thirty-six".