22073746 has 4 divisors (see below), whose sum is σ = 33110622. Its totient is φ = 11036872.

The previous prime is 22073731. The next prime is 22073747. The reversal of 22073746 is 64737022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21986721 + 87025 = 4689^2 + 295^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22073747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5518435 + ... + 5518438.

Almost surely, 2^22073746 is an apocalyptic number.

22073746 is a deficient number, since it is larger than the sum of its proper divisors (11036876).

22073746 is a wasteful number, since it uses less digits than its factorization.

22073746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11036875.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 22073746 is about 4698.2705328663. The cubic root of 22073746 is about 280.5166735661.

The spelling of 22073746 in words is "twenty-two million, seventy-three thousand, seven hundred forty-six".