22153254254 has 4 divisors (see below), whose sum is σ = 33229881384. Its totient is φ = 11076627126.

The previous prime is 22153254209. The next prime is 22153254259. The reversal of 22153254254 is 45245235122.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153254259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5538313562 + ... + 5538313565.

It is an arithmetic number, because the mean of its divisors is an integer number (8307470346).

Almost surely, 2^22153254254 is an apocalyptic number.

22153254254 is a deficient number, since it is larger than the sum of its proper divisors (11076627130).

22153254254 is a wasteful number, since it uses less digits than its factorization.

22153254254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076627129.

The product of its digits is 96000, while the sum is 35.

Adding to 22153254254 its reverse (45245235122), we get a palindrome (67398489376).

The spelling of 22153254254 in words is "twenty-two billion, one hundred fifty-three million, two hundred fifty-four thousand, two hundred fifty-four".