90201222019 has 2 divisors, whose sum is σ = 90201222020. Its totient is φ = 90201222018.

The previous prime is 90201222011. The next prime is 90201222143. The reversal of 90201222019 is 91022210209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90201222019 - 2³ = 90201222011 is a prime.

It is a super-2 number, since 2×90201222019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90201222011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45100611009 + 45100611010.

It is an arithmetic number, because the mean of its divisors is an integer number (45100611010).

Almost surely, 2^90201222019 is an apocalyptic number.

90201222019 is a deficient number, since it is larger than the sum of its proper divisors (1).

90201222019 is an equidigital number, since it uses as much as digits as its factorization.

90201222019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 90201222019 in words is "ninety billion, two hundred one million, two hundred twenty-two thousand, nineteen".