2022000021949 has 2 divisors, whose sum is σ = 2022000021950. Its totient is φ = 2022000021948.

The previous prime is 2022000021941. The next prime is 2022000022033. The reversal of 2022000021949 is 9491200002202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065193254724 + 956806767225 = 1032082^2 + 978165^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022000021949 - 2³ = 2022000021941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2022000021949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022000021941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011000010974 + 1011000010975.

It is an arithmetic number, because the mean of its divisors is an integer number (1011000010975).

Almost surely, 2^{2022000021949} is an apocalyptic number.

It is an amenable number.

2022000021949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022000021949 is an equidigital number, since it uses as much as digits as its factorization.

2022000021949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 2022000021949 in words is "two trillion, twenty-two billion, twenty-one thousand, nine hundred forty-nine".