22402113212 has 6 divisors (see below), whose sum is σ = 39203698128. Its totient is φ = 11201056604.

The previous prime is 22402113179. The next prime is 22402113221. The reversal of 22402113212 is 21231120422.

It is a congruent number.

It is an unprimeable number.

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, 2800264148 + ... + 2800264155.

It is an arithmetic number, because the mean of its divisors is an integer number (6533949688).

Almost surely, 2^22402113212 is an apocalyptic number.

It is an amenable number.

22402113212 is a deficient number, since it is larger than the sum of its proper divisors (16801584916).

22402113212 is a wasteful number, since it uses less digits than its factorization.

22402113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600528307 (or 5600528305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22402113212 its reverse (21231120422), we get a palindrome (43633233634).

The spelling of 22402113212 in words is "twenty-two billion, four hundred two million, one hundred thirteen thousand, two hundred twelve".