22421201238907 has 2 divisors, whose sum is σ = 22421201238908. Its totient is φ = 22421201238906.

The previous prime is 22421201238893. The next prime is 22421201238929. The reversal of 22421201238907 is 70983210212422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22421201238907 is a prime.

It is not a weakly prime, because it can be changed into another prime (22421201238977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210600619453 + 11210600619454.

It is an arithmetic number, because the mean of its divisors is an integer number (11210600619454).

Almost surely, 2^{22421201238907} is an apocalyptic number.

22421201238907 is a deficient number, since it is larger than the sum of its proper divisors (1).

22421201238907 is an equidigital number, since it uses as much as digits as its factorization.

22421201238907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 22421201238907 in words is "twenty-two trillion, four hundred twenty-one billion, two hundred one million, two hundred thirty-eight thousand, nine hundred seven".