22953477121 has 4 divisors (see below), whose sum is σ = 22954306644. Its totient is φ = 22952647600.

The previous prime is 22953477109. The next prime is 22953477191. The reversal of 22953477121 is 12177435922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12462596496 + 10490880625 = 111636^2 + 102425^2 .

It is a cyclic number.

It is not a de Polignac number, because 22953477121 - 2¹⁷ = 22953346049 is a prime.

It is a super-2 number, since 2×22953477121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22953477101) 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, 371770 + ... + 429091.

It is an arithmetic number, because the mean of its divisors is an integer number (5738576661).

Almost surely, 2^22953477121 is an apocalyptic number.

It is an amenable number.

22953477121 is a deficient number, since it is larger than the sum of its proper divisors (829523).

22953477121 is an equidigital number, since it uses as much as digits as its factorization.

22953477121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829522.

The product of its digits is 211680, while the sum is 43.

The spelling of 22953477121 in words is "twenty-two billion, nine hundred fifty-three million, four hundred seventy-seven thousand, one hundred twenty-one".