22999447 has 2 divisors, whose sum is σ = 22999448. Its totient is φ = 22999446.

The previous prime is 22999411. The next prime is 22999451. The reversal of 22999447 is 74499922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22999447 - 2¹⁵ = 22966679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22999397 and 22999406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22999477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11499723 + 11499724.

It is an arithmetic number, because the mean of its divisors is an integer number (11499724).

Almost surely, 2^22999447 is an apocalyptic number.

22999447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22999447 is an equidigital number, since it uses as much as digits as its factorization.

22999447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 22999447 is about 4795.7738687307. The cubic root of 22999447 is about 284.3844187518.

The spelling of 22999447 in words is "twenty-two million, nine hundred ninety-nine thousand, four hundred forty-seven".