22549319551 has 8 divisors (see below), whose sum is σ = 24694977744. Its totient is φ = 20419614720.

The previous prime is 22549319539. The next prime is 22549319557. The reversal of 22549319551 is 15591394522.

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

It is a cyclic number.

It is not a de Polignac number, because 22549319551 - 2⁷ = 22549319423 is a prime.

It is a super-2 number, since 2×22549319551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22549319557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3985380 + ... + 3991033.

It is an arithmetic number, because the mean of its divisors is an integer number (3086872218).

Almost surely, 2^22549319551 is an apocalyptic number.

22549319551 is a deficient number, since it is larger than the sum of its proper divisors (2145658193).

22549319551 is a wasteful number, since it uses less digits than its factorization.

22549319551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976681.

The product of its digits is 486000, while the sum is 46.

The spelling of 22549319551 in words is "twenty-two billion, five hundred forty-nine million, three hundred nineteen thousand, five hundred fifty-one".