22540004719 has 8 divisors (see below), whose sum is σ = 22614444320. Its totient is φ = 22465610496.

The previous prime is 22540004717. The next prime is 22540004731. The reversal of 22540004719 is 91740004522.

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

It is a 8-Lehmer number, since φ(22540004719) divides (22540004719-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 22540004719 - 2¹ = 22540004717 is a prime.

It is a super-2 number, since 2×22540004719² (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 (22540004717) 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, 1189987 + ... + 1208779.

It is an arithmetic number, because the mean of its divisors is an integer number (2826805540).

It is the magic constant of a 3559 × 3559 magic square.

Almost surely, 2^22540004719 is an apocalyptic number.

22540004719 is a deficient number, since it is larger than the sum of its proper divisors (74439601).

22540004719 is a wasteful number, since it uses less digits than its factorization.

22540004719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22689.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 22540004719 in words is "twenty-two billion, five hundred forty million, four thousand, seven hundred nineteen".