22021225276 has 24 divisors (see below), whose sum is σ = 39372512256. Its totient is φ = 10772119920.

The previous prime is 22021225241. The next prime is 22021225297. The reversal of 22021225276 is 67252212022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488065 + ... + 531271.

It is an arithmetic number, because the mean of its divisors is an integer number (1640521344).

Almost surely, 2^22021225276 is an apocalyptic number.

It is an amenable number.

22021225276 is a deficient number, since it is larger than the sum of its proper divisors (17351286980).

22021225276 is a wasteful number, since it uses less digits than its factorization.

22021225276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45969 (or 45967 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 22021225276 its reverse (67252212022), we get a palindrome (89273437298).

The spelling of 22021225276 in words is "twenty-two billion, twenty-one million, two hundred twenty-five thousand, two hundred seventy-six".