22899223 has 2 divisors, whose sum is σ = 22899224. Its totient is φ = 22899222.

The previous prime is 22899211. The next prime is 22899259. The reversal of 22899223 is 32299822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22899223 - 2¹³ = 22891031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22899523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11449611 + 11449612.

It is an arithmetic number, because the mean of its divisors is an integer number (11449612).

Almost surely, 2^22899223 is an apocalyptic number.

22899223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22899223 is an equidigital number, since it uses as much as digits as its factorization.

22899223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 22899223 is about 4785.3132603833. The cubic root of 22899223 is about 283.9707327838.

The spelling of 22899223 in words is "twenty-two million, eight hundred ninety-nine thousand, two hundred twenty-three".