22515248153 has 4 divisors (see below), whose sum is σ = 22517096448. Its totient is φ = 22513399860.

The previous prime is 22515248131. The next prime is 22515248183. The reversal of 22515248153 is 35184251522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22515248153 - 2⁶ = 22515248089 is a prime.

It is a super-2 number, since 2×22515248153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22515248183) 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, 905753 + ... + 930278.

It is an arithmetic number, because the mean of its divisors is an integer number (5629274112).

Almost surely, 2^22515248153 is an apocalyptic number.

It is an amenable number.

22515248153 is a deficient number, since it is larger than the sum of its proper divisors (1848295).

22515248153 is a wasteful number, since it uses less digits than its factorization.

22515248153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848294.

The product of its digits is 96000, while the sum is 38.

Adding to 22515248153 its reverse (35184251522), we get a palindrome (57699499675).

The spelling of 22515248153 in words is "twenty-two billion, five hundred fifteen million, two hundred forty-eight thousand, one hundred fifty-three".