2122349 has 2 divisors, whose sum is σ = 2122350. Its totient is φ = 2122348.

The previous prime is 2122333. The next prime is 2122363. The reversal of 2122349 is 9432212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1841449 + 280900 = 1357^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122349 - 2⁴ = 2122333 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 2¹³ + 2²¹ + 3³ + 4⁷ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061174 + 1061175.

It is an arithmetic number, because the mean of its divisors is an integer number (1061175).

2^2122349 is an apocalyptic number.

It is an amenable number.

2122349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122349 is an equidigital number, since it uses as much as digits as its factorization.

2122349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 2122349 is about 1456.8284044458. The cubic root of 2122349 is about 128.5105947953.

The spelling of 2122349 in words is "two million, one hundred twenty-two thousand, three hundred forty-nine".