22341213 has 12 divisors (see below), whose sum is σ = 34169148. Its totient is φ = 14017920.

The previous prime is 22341197. The next prime is 22341233. The reversal of 22341213 is 31214322.

It can be written as a sum of positive squares in 2 ways, for example, as 7387524 + 14953689 = 2718^2 + 3867^2 .

It is not a de Polignac number, because 22341213 - 2⁴ = 22341197 is a prime.

It is a super-2 number, since 2×22341213² = 998259596622738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22341233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72858 + ... + 73163.

It is an arithmetic number, because the mean of its divisors is an integer number (2847429).

Almost surely, 2^22341213 is an apocalyptic number.

It is an amenable number.

22341213 is a deficient number, since it is larger than the sum of its proper divisors (11827935).

22341213 is a wasteful number, since it uses less digits than its factorization.

22341213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146044 (or 146041 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 22341213 is about 4726.6492359810. The cubic root of 22341213 is about 281.6451323165.

Adding to 22341213 its reverse (31214322), we get a palindrome (53555535).

The spelling of 22341213 in words is "twenty-two million, three hundred forty-one thousand, two hundred thirteen".