22046623 has 4 divisors (see below), whose sum is σ = 22063680. Its totient is φ = 22029568.

The previous prime is 22046621. The next prime is 22046677. The reversal of 22046623 is 32664022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32664022 = 2 ⋅16332011.

It is a cyclic number.

It is not a de Polignac number, because 22046623 - 2¹ = 22046621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22046621) 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, 6415 + ... + 9232.

It is an arithmetic number, because the mean of its divisors is an integer number (5515920).

Almost surely, 2^22046623 is an apocalyptic number.

22046623 is a deficient number, since it is larger than the sum of its proper divisors (17057).

22046623 is a wasteful number, since it uses less digits than its factorization.

22046623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17056.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 22046623 is about 4695.3831579542. The cubic root of 22046623 is about 280.4017320099.

The spelling of 22046623 in words is "twenty-two million, forty-six thousand, six hundred twenty-three".