11222972252 has 12 divisors (see below), whose sum is σ = 19650050280. Its totient is φ = 5608672176.

The previous prime is 11222972249. The next prime is 11222972273. The reversal of 11222972252 is 25227922211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694502 + ... + 710477.

It is an arithmetic number, because the mean of its divisors is an integer number (1637504190).

Almost surely, 2^11222972252 is an apocalyptic number.

It is an amenable number.

11222972252 is a deficient number, since it is larger than the sum of its proper divisors (8427078028).

11222972252 is a wasteful number, since it uses less digits than its factorization.

11222972252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406980 (or 1406978 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

It can be divided in two parts, 112229 and 72252, that added together give a palindrome (184481).

The spelling of 11222972252 in words is "eleven billion, two hundred twenty-two million, nine hundred seventy-two thousand, two hundred fifty-two".