2122369 has 2 divisors, whose sum is σ = 2122370. Its totient is φ = 2122368.

The previous prime is 2122363. The next prime is 2122381. The reversal of 2122369 is 9632212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1238769 + 883600 = 1113^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122369 is a prime.

It is a super-2 number, since 2×2122369² = 9008900344322, which contains 22 as substring.

2122369 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2122363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061184 + 1061185.

It is an arithmetic number, because the mean of its divisors is an integer number (1061185).

2^2122369 is an apocalyptic number.

It is an amenable number.

2122369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122369 is an equidigital number, since it uses as much as digits as its factorization.

2122369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 2122369 is about 1456.8352686560. The cubic root of 2122369 is about 128.5109984681.

The spelling of 2122369 in words is "two million, one hundred twenty-two thousand, three hundred sixty-nine".