22540511494 has 8 divisors (see below), whose sum is σ = 34901437248. Its totient is φ = 10906699080.

The previous prime is 22540511491. The next prime is 22540511507. The reversal of 22540511494 is 49411504522.

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

It is a super-2 number, since 2×22540511494² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540511491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181778257 + ... + 181778380.

It is an arithmetic number, because the mean of its divisors is an integer number (4362679656).

Almost surely, 2^22540511494 is an apocalyptic number.

22540511494 is a deficient number, since it is larger than the sum of its proper divisors (12360925754).

22540511494 is a wasteful number, since it uses less digits than its factorization.

22540511494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363556670.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 22540511494 in words is "twenty-two billion, five hundred forty million, five hundred eleven thousand, four hundred ninety-four".