22133213502 has 32 divisors (see below), whose sum is σ = 44413337760. Its totient is φ = 7353279360.

The previous prime is 22133213489. The next prime is 22133213503. The reversal of 22133213502 is 20531233122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133213503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6956352 + ... + 6959532.

It is an arithmetic number, because the mean of its divisors is an integer number (1387916805).

Almost surely, 2^22133213502 is an apocalyptic number.

22133213502 is an abundant number, since it is smaller than the sum of its proper divisors (22280124258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22133213502 is a wasteful number, since it uses less digits than its factorization.

22133213502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 22133213502 its reverse (20531233122), we get a palindrome (42664446624).

The spelling of 22133213502 in words is "twenty-two billion, one hundred thirty-three million, two hundred thirteen thousand, five hundred two".