22790023 has 8 divisors (see below), whose sum is σ = 23152640. Its totient is φ = 22430520.

The previous prime is 22790017. The next prime is 22790029. The reversal of 22790023 is 32009722.

It is an interprime number because it is at equal distance from previous prime (22790017) and next prime (22790029).

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

It is a cyclic number.

It is not a de Polignac number, because 22790023 - 2⁹ = 22789511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22790023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22790029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17008 + ... + 18298.

It is an arithmetic number, because the mean of its divisors is an integer number (2894080).

Almost surely, 2^22790023 is an apocalyptic number.

22790023 is a deficient number, since it is larger than the sum of its proper divisors (362617).

22790023 is a wasteful number, since it uses less digits than its factorization.

22790023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 22790023 is about 4773.8897138497. The cubic root of 22790023 is about 283.5186209796.

Adding to 22790023 its reverse (32009722), we get a palindrome (54799745).

The spelling of 22790023 in words is "twenty-two million, seven hundred ninety thousand, twenty-three".