22541822 has 4 divisors (see below), whose sum is σ = 33812736. Its totient is φ = 11270910.

The previous prime is 22541807. The next prime is 22541833. The reversal of 22541822 is 22814522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22814522 = 2 ⋅11407261.

It is a junction number, because it is equal to n+sod(n) for n = 22541791 and 22541800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635454 + ... + 5635457.

It is an arithmetic number, because the mean of its divisors is an integer number (8453184).

Almost surely, 2^22541822 is an apocalyptic number.

22541822 is a deficient number, since it is larger than the sum of its proper divisors (11270914).

22541822 is a wasteful number, since it uses less digits than its factorization.

22541822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11270913.

The product of its digits is 2560, while the sum is 26.

The square root of 22541822 is about 4747.8228694845. The cubic root of 22541822 is about 282.4856159956.

The spelling of 22541822 in words is "twenty-two million, five hundred forty-one thousand, eight hundred twenty-two".