22540331551 has 8 divisors (see below), whose sum is σ = 23075007824. Its totient is φ = 22006131840.

The previous prime is 22540331549. The next prime is 22540331573. The reversal of 22540331551 is 15513304522.

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 22540331551 - 2¹ = 22540331549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540331521) 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, 22506 + ... + 213511.

It is an arithmetic number, because the mean of its divisors is an integer number (2884375978).

Almost surely, 2^22540331551 is an apocalyptic number.

22540331551 is a deficient number, since it is larger than the sum of its proper divisors (534676273).

22540331551 is a wasteful number, since it uses less digits than its factorization.

22540331551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238281.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 22540331551 in words is "twenty-two billion, five hundred forty million, three hundred thirty-one thousand, five hundred fifty-one".