22153114531 has 4 divisors (see below), whose sum is σ = 22154553000. Its totient is φ = 22151676064.

The previous prime is 22153114523. The next prime is 22153114537. The reversal of 22153114531 is 13541135122.

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

It is a cyclic number.

It is not a de Polignac number, because 22153114531 - 2³ = 22153114523 is a prime.

It is a super-2 number, since 2×22153114531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22153114531.

It is not an unprimeable number, because it can be changed into a prime (22153114537) 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, 695881 + ... + 727018.

It is an arithmetic number, because the mean of its divisors is an integer number (5538638250).

Almost surely, 2^22153114531 is an apocalyptic number.

22153114531 is a deficient number, since it is larger than the sum of its proper divisors (1438469).

22153114531 is a wasteful number, since it uses less digits than its factorization.

22153114531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438468.

The product of its digits is 3600, while the sum is 28.

Adding to 22153114531 its reverse (13541135122), we get a palindrome (35694249653).

The spelling of 22153114531 in words is "twenty-two billion, one hundred fifty-three million, one hundred fourteen thousand, five hundred thirty-one".