22488407 has 2 divisors, whose sum is σ = 22488408. Its totient is φ = 22488406.

The previous prime is 22488397. The next prime is 22488437. The reversal of 22488407 is 70488422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22488407 - 2⁴ = 22488391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22488437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11244203 + 11244204.

It is an arithmetic number, because the mean of its divisors is an integer number (11244204).

Almost surely, 2^22488407 is an apocalyptic number.

22488407 is a deficient number, since it is larger than the sum of its proper divisors (1).

22488407 is an equidigital number, since it uses as much as digits as its factorization.

22488407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 22488407 is about 4742.1943233065. The cubic root of 22488407 is about 282.2623139759.

The spelling of 22488407 in words is "twenty-two million, four hundred eighty-eight thousand, four hundred seven".