22946399 has 4 divisors (see below), whose sum is σ = 26224464. Its totient is φ = 19668336.

The previous prime is 22946393. The next prime is 22946411. The reversal of 22946399 is 99364922.

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

It is a cyclic number.

It is not a de Polignac number, because 22946399 - 2¹² = 22942303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22946393) 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, 1639022 + ... + 1639035.

It is an arithmetic number, because the mean of its divisors is an integer number (6556116).

Almost surely, 2^22946399 is an apocalyptic number.

22946399 is a deficient number, since it is larger than the sum of its proper divisors (3278065).

22946399 is an equidigital number, since it uses as much as digits as its factorization.

22946399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278064.

The product of its digits is 209952, while the sum is 44.

The square root of 22946399 is about 4790.2399731120. The cubic root of 22946399 is about 284.1656071412.

The spelling of 22946399 in words is "twenty-two million, nine hundred forty-six thousand, three hundred ninety-nine".