22101699427 has 2 divisors, whose sum is σ = 22101699428. Its totient is φ = 22101699426.

The previous prime is 22101699379. The next prime is 22101699461. The reversal of 22101699427 is 72499610122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22101699427 - 2¹¹ = 22101697379 is a prime.

It is a super-2 number, since 2×22101699427² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22101699827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050849713 + 11050849714.

It is an arithmetic number, because the mean of its divisors is an integer number (11050849714).

Almost surely, 2^22101699427 is an apocalyptic number.

22101699427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101699427 is an equidigital number, since it uses as much as digits as its factorization.

22101699427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 22101699427 in words is "twenty-two billion, one hundred one million, six hundred ninety-nine thousand, four hundred twenty-seven".