22201001287 has 2 divisors, whose sum is σ = 22201001288. Its totient is φ = 22201001286.

The previous prime is 22201001281. The next prime is 22201001309. The reversal of 22201001287 is 78210010222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22201001287 - 2¹⁵ = 22200968519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201001281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100500643 + 11100500644.

It is an arithmetic number, because the mean of its divisors is an integer number (11100500644).

Almost surely, 2^22201001287 is an apocalyptic number.

22201001287 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201001287 is an equidigital number, since it uses as much as digits as its factorization.

22201001287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 22201001287 in words is "twenty-two billion, two hundred one million, one thousand, two hundred eighty-seven".