202222001951 has 2 divisors, whose sum is σ = 202222001952. Its totient is φ = 202222001950.

The previous prime is 202222001923. The next prime is 202222002001. The reversal of 202222001951 is 159100222202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202222001951 - 2⁶ = 202222001887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202222001951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202222007951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101111000975 + 101111000976.

It is an arithmetic number, because the mean of its divisors is an integer number (101111000976).

Almost surely, 2^202222001951 is an apocalyptic number.

202222001951 is a deficient number, since it is larger than the sum of its proper divisors (1).

202222001951 is an equidigital number, since it uses as much as digits as its factorization.

202222001951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 202222001951 in words is "two hundred two billion, two hundred twenty-two million, one thousand, nine hundred fifty-one".