22073774 has 4 divisors (see below), whose sum is σ = 33110664. Its totient is φ = 11036886.

The previous prime is 22073773. The next prime is 22073791. The reversal of 22073774 is 47737022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47737022 = 2 ⋅23868511.

It is a self number, because there is not a number n which added to its sum of digits gives 22073774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22073771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5518442 + ... + 5518445.

It is an arithmetic number, because the mean of its divisors is an integer number (8277666).

Almost surely, 2^22073774 is an apocalyptic number.

22073774 is a deficient number, since it is larger than the sum of its proper divisors (11036890).

22073774 is a wasteful number, since it uses less digits than its factorization.

22073774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11036889.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 22073774 is about 4698.2735126853. The cubic root of 22073774 is about 280.5167921756.

The spelling of 22073774 in words is "twenty-two million, seventy-three thousand, seven hundred seventy-four".