22253533499 has 4 divisors (see below), whose sum is σ = 22262874336. Its totient is φ = 22244192664.

The previous prime is 22253533481. The next prime is 22253533501. The reversal of 22253533499 is 99433535222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22253533499 is a prime.

It is a super-2 number, since 2×22253533499² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22253593499) 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, 4666844 + ... + 4671609.

It is an arithmetic number, because the mean of its divisors is an integer number (5565718584).

Almost surely, 2^22253533499 is an apocalyptic number.

22253533499 is a deficient number, since it is larger than the sum of its proper divisors (9340837).

22253533499 is an equidigital number, since it uses as much as digits as its factorization.

22253533499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9340836.

The product of its digits is 1749600, while the sum is 47.

The spelling of 22253533499 in words is "twenty-two billion, two hundred fifty-three million, five hundred thirty-three thousand, four hundred ninety-nine".