22402153252 has 12 divisors (see below), whose sum is σ = 39281711616. Its totient is φ = 11178807080.

The previous prime is 22402153187. The next prime is 22402153259. The reversal of 22402153252 is 25235120422.

It is a self number, because there is not a number n which added to its sum of digits gives 22402153252.

It is not an unprimeable number, because it can be changed into a prime (22402153259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5565124 + ... + 5569147.

It is an arithmetic number, because the mean of its divisors is an integer number (3273475968).

Almost surely, 2^22402153252 is an apocalyptic number.

It is an amenable number.

22402153252 is a deficient number, since it is larger than the sum of its proper divisors (16879558364).

22402153252 is a wasteful number, since it uses less digits than its factorization.

22402153252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134778 (or 11134776 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22402153252 its reverse (25235120422), we get a palindrome (47637273674).

The spelling of 22402153252 in words is "twenty-two billion, four hundred two million, one hundred fifty-three thousand, two hundred fifty-two".