22201222100249 has 2 divisors, whose sum is σ = 22201222100250. Its totient is φ = 22201222100248.

The previous prime is 22201222100221. The next prime is 22201222100263. The reversal of 22201222100249 is 94200122210222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22173974655625 + 27247444624 = 4708925^2 + 165068^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201222100249 - 2¹⁶ = 22201222034713 is a prime.

It is not a weakly prime, because it can be changed into another prime (22201222100209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100611050124 + 11100611050125.

It is an arithmetic number, because the mean of its divisors is an integer number (11100611050125).

Almost surely, 2^{22201222100249} is an apocalyptic number.

It is an amenable number.

22201222100249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201222100249 is an equidigital number, since it uses as much as digits as its factorization.

22201222100249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 22201222100249 in words is "twenty-two trillion, two hundred one billion, two hundred twenty-two million, one hundred thousand, two hundred forty-nine".