22120774 has 16 divisors (see below), whose sum is σ = 37836288. Its totient is φ = 9608832.

The previous prime is 22120759. The next prime is 22120793. The reversal of 22120774 is 47702122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24582 + ... + 25465.

It is an arithmetic number, because the mean of its divisors is an integer number (2364768).

Almost surely, 2^22120774 is an apocalyptic number.

22120774 is a deficient number, since it is larger than the sum of its proper divisors (15715514).

22120774 is a wasteful number, since it uses less digits than its factorization.

22120774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50079.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 22120774 is about 4703.2726903721. The cubic root of 22120774 is about 280.7157453594.

Adding to 22120774 its reverse (47702122), we get a palindrome (69822896).

The spelling of 22120774 in words is "twenty-two million, one hundred twenty thousand, seven hundred seventy-four".