22154240024 has 32 divisors (see below), whose sum is σ = 49004774400. Its totient is φ = 9188393760.

The previous prime is 22154239999. The next prime is 22154240051. The reversal of 22154240024 is 42004245122.

It is a junction number, because it is equal to n+sod(n) for n = 22154239975 and 22154240002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6379094 + ... + 6382565.

It is an arithmetic number, because the mean of its divisors is an integer number (1531399200).

Almost surely, 2^22154240024 is an apocalyptic number.

It is an amenable number.

22154240024 is an abundant number, since it is smaller than the sum of its proper divisors (26850534376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22154240024 is a wasteful number, since it uses less digits than its factorization.

22154240024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761703 (or 12761699 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22154240024 its reverse (42004245122), we get a palindrome (64158485146).

The spelling of 22154240024 in words is "twenty-two billion, one hundred fifty-four million, two hundred forty thousand, twenty-four".