22742214 has 32 divisors (see below), whose sum is σ = 49821696. Its totient is φ = 6863520.

The previous prime is 22742197. The next prime is 22742273. The reversal of 22742214 is 41224722.

It is a congruent number.

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, 20379 + ... + 21465.

It is an arithmetic number, because the mean of its divisors is an integer number (1556928).

Almost surely, 2^22742214 is an apocalyptic number.

22742214 is an abundant number, since it is smaller than the sum of its proper divisors (27079482).

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

22742214 is a wasteful number, since it uses less digits than its factorization.

22742214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420.

The product of its digits is 1792, while the sum is 24.

The square root of 22742214 is about 4768.8797426649. The cubic root of 22742214 is about 283.3202266909.

Adding to 22742214 its reverse (41224722), we get a palindrome (63966936).

The spelling of 22742214 in words is "twenty-two million, seven hundred forty-two thousand, two hundred fourteen".