22153451654 has 8 divisors (see below), whose sum is σ = 34376045760. Its totient is φ = 10694769736.

The previous prime is 22153451653. The next prime is 22153451701. The reversal of 22153451654 is 45615435122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22153451654² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153451651) 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, 190977974 + ... + 190978089.

It is an arithmetic number, because the mean of its divisors is an integer number (4297005720).

Almost surely, 2^22153451654 is an apocalyptic number.

22153451654 is a deficient number, since it is larger than the sum of its proper divisors (12222594106).

22153451654 is a wasteful number, since it uses less digits than its factorization.

22153451654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381956094.

The product of its digits is 144000, while the sum is 38.

Adding to 22153451654 its reverse (45615435122), we get a palindrome (67768886776).

The spelling of 22153451654 in words is "twenty-two billion, one hundred fifty-three million, four hundred fifty-one thousand, six hundred fifty-four".