22253145531 has 4 divisors (see below), whose sum is σ = 29670860712. Its totient is φ = 14835430352.

The previous prime is 22253145529. The next prime is 22253145533. The reversal of 22253145531 is 13554135222.

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

It is an interprime number because it is at equal distance from previous prime (22253145529) and next prime (22253145533).

It is a cyclic number.

It is not a de Polignac number, because 22253145531 - 2¹ = 22253145529 is a prime.

It is a super-2 number, since 2×22253145531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22253145492 and 22253145501.

It is not an unprimeable number, because it can be changed into a prime (22253145533) 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, 3708857586 + ... + 3708857591.

It is an arithmetic number, because the mean of its divisors is an integer number (7417715178).

Almost surely, 2^22253145531 is an apocalyptic number.

22253145531 is a deficient number, since it is larger than the sum of its proper divisors (7417715181).

22253145531 is an equidigital number, since it uses as much as digits as its factorization.

22253145531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7417715180.

The product of its digits is 36000, while the sum is 33.

The spelling of 22253145531 in words is "twenty-two billion, two hundred fifty-three million, one hundred forty-five thousand, five hundred thirty-one".