22101907 has 2 divisors, whose sum is σ = 22101908. Its totient is φ = 22101906.

The previous prime is 22101889. The next prime is 22101923. The reversal of 22101907 is 70910122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22101907 - 2¹⁵ = 22069139 is a prime.

It is not a weakly prime, because it can be changed into another prime (22101967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050953 + 11050954.

It is an arithmetic number, because the mean of its divisors is an integer number (11050954).

Almost surely, 2^22101907 is an apocalyptic number.

22101907 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101907 is an equidigital number, since it uses as much as digits as its factorization.

22101907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 22101907 is about 4701.2665314785. The cubic root of 22101907 is about 280.6359143610.

The spelling of 22101907 in words is "twenty-two million, one hundred one thousand, nine hundred seven".