22047422 has 16 divisors (see below), whose sum is σ = 34391952. Its totient is φ = 10591680.

The previous prime is 22047401. The next prime is 22047427. The reversal of 22047422 is 22474022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22047427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3488 + ... + 7500.

It is an arithmetic number, because the mean of its divisors is an integer number (2149497).

Almost surely, 2^22047422 is an apocalyptic number.

22047422 is a deficient number, since it is larger than the sum of its proper divisors (12344530).

22047422 is a wasteful number, since it uses less digits than its factorization.

22047422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 22047422 is about 4695.4682407615. The cubic root of 22047422 is about 280.4051193507.

The spelling of 22047422 in words is "twenty-two million, forty-seven thousand, four hundred twenty-two".