22774434 has 32 divisors (see below), whose sum is σ = 47767104. Its totient is φ = 7230720.

The previous prime is 22774421. The next prime is 22774459. The reversal of 22774434 is 43447722.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22774395 and 22774404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9502 + ... + 11654.

It is an arithmetic number, because the mean of its divisors is an integer number (1492722).

Almost surely, 2^22774434 is an apocalyptic number.

22774434 is an abundant number, since it is smaller than the sum of its proper divisors (24992670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22774434 is a wasteful number, since it uses less digits than its factorization.

22774434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its digits is 37632, while the sum is 33.

The square root of 22774434 is about 4772.2566988795. The cubic root of 22774434 is about 283.4539614001.

The spelling of 22774434 in words is "twenty-two million, seven hundred seventy-four thousand, four hundred thirty-four".