22541144534 has 16 divisors (see below), whose sum is σ = 34981279920. Its totient is φ = 10880798880.

The previous prime is 22541144491. The next prime is 22541144537. The reversal of 22541144534 is 43544114522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22541144494 and 22541144503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541144537) 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, 897224 + ... + 922004.

It is an arithmetic number, because the mean of its divisors is an integer number (2186329995).

Almost surely, 2^22541144534 is an apocalyptic number.

22541144534 is a deficient number, since it is larger than the sum of its proper divisors (12440135386).

22541144534 is a wasteful number, since it uses less digits than its factorization.

22541144534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40495.

The product of its digits is 76800, while the sum is 35.

The spelling of 22541144534 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, five hundred thirty-four".