22540211774 has 4 divisors (see below), whose sum is σ = 33810317664. Its totient is φ = 11270105886.

The previous prime is 22540211767. The next prime is 22540211779. The reversal of 22540211774 is 47711204522.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22540211774² (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 (22540211779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635052942 + ... + 5635052945.

It is an arithmetic number, because the mean of its divisors is an integer number (8452579416).

Almost surely, 2^22540211774 is an apocalyptic number.

22540211774 is a deficient number, since it is larger than the sum of its proper divisors (11270105890).

22540211774 is a wasteful number, since it uses less digits than its factorization.

22540211774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270105889.

The product of its (nonzero) digits is 31360, while the sum is 35.

The spelling of 22540211774 in words is "twenty-two billion, five hundred forty million, two hundred eleven thousand, seven hundred seventy-four".