22323422402 has 6 divisors (see below), whose sum is σ = 33485450553. Its totient is φ = 11161605552.

The previous prime is 22323422377. The next prime is 22323422441. The reversal of 22323422402 is 20422432322.

It can be written as a sum of positive squares in 2 ways, for example, as 18395768161 + 3927654241 = 135631^2 + 62671^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105649.

It is a super-3 number, since 3×22323422402³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 158474 + ... + 264122.

Almost surely, 2^22323422402 is an apocalyptic number.

22323422402 is a deficient number, since it is larger than the sum of its proper divisors (11162028151).

22323422402 is an frugal number, since it uses more digits than its factorization.

22323422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211300 (or 105651 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 22323422402 its reverse (20422432322), we get a palindrome (42745854724).

The spelling of 22323422402 in words is "twenty-two billion, three hundred twenty-three million, four hundred twenty-two thousand, four hundred two".