22402261233 has 64 divisors (see below), whose sum is σ = 36933120000. Its totient is φ = 13306887360.

The previous prime is 22402261199. The next prime is 22402261247. The reversal of 22402261233 is 33216220422.

It is a happy number.

22402261233 is a `hidden beast` number, since 2 + 2 + 40 + 2 + 2 + 612 + 3 + 3 = 666.

It is not a de Polignac number, because 22402261233 - 2⁸ = 22402260977 is a prime.

It is a super-2 number, since 2×22402261233² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22402261197 and 22402261206.

It is not an unprimeable number, because it can be changed into a prime (22402261253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3257923 + ... + 3264791.

It is an arithmetic number, because the mean of its divisors is an integer number (577080000).

Almost surely, 2^22402261233 is an apocalyptic number.

It is an amenable number.

22402261233 is a deficient number, since it is larger than the sum of its proper divisors (14530858767).

22402261233 is a wasteful number, since it uses less digits than its factorization.

22402261233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107 (or 7101 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22402261233 its reverse (33216220422), we get a palindrome (55618481655).

The spelling of 22402261233 in words is "twenty-two billion, four hundred two million, two hundred sixty-one thousand, two hundred thirty-three".