22059901 has 2 divisors, whose sum is σ = 22059902. Its totient is φ = 22059900.

The previous prime is 22059887. The next prime is 22059907. The reversal of 22059901 is 10995022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21808900 + 251001 = 4670^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 22059901 - 2¹³ = 22051709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22059901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22059907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11029950 + 11029951.

It is an arithmetic number, because the mean of its divisors is an integer number (11029951).

Almost surely, 2^22059901 is an apocalyptic number.

It is an amenable number.

22059901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22059901 is an equidigital number, since it uses as much as digits as its factorization.

22059901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 22059901 is about 4696.7968872413. The cubic root of 22059901 is about 280.4580131464.

The spelling of 22059901 in words is "twenty-two million, fifty-nine thousand, nine hundred one".