22421774 has 8 divisors (see below), whose sum is σ = 33653568. Its totient is φ = 11203920.

The previous prime is 22421771. The next prime is 22421779. The reversal of 22421774 is 47712422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (4206696).

Almost surely, 2^22421774 is an apocalyptic number.

22421774 is a deficient number, since it is larger than the sum of its proper divisors (11231794).

22421774 is a wasteful number, since it uses less digits than its factorization.

22421774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970.

The product of its digits is 6272, while the sum is 29.

The square root of 22421774 is about 4735.1635663407. The cubic root of 22421774 is about 281.9832577288.

The spelling of 22421774 in words is "twenty-two million, four hundred twenty-one thousand, seven hundred seventy-four".