22012201349 has 2 divisors, whose sum is σ = 22012201350. Its totient is φ = 22012201348.

The previous prime is 22012201303. The next prime is 22012201361. The reversal of 22012201349 is 94310221022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21898672324 + 113529025 = 147982^2 + 10655^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012201349 - 2¹² = 22012197253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012201649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006100674 + 11006100675.

It is an arithmetic number, because the mean of its divisors is an integer number (11006100675).

Almost surely, 2^22012201349 is an apocalyptic number.

It is an amenable number.

22012201349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012201349 is an equidigital number, since it uses as much as digits as its factorization.

22012201349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 22012201349 in words is "twenty-two billion, twelve million, two hundred one thousand, three hundred forty-nine".