22614397 has 6 divisors (see below), whose sum is σ = 24487962. Its totient is φ = 20874672.

The previous prime is 22614391. The next prime is 22614413. The reversal of 22614397 is 79341622.

It can be written as a sum of positive squares in 3 ways, for example, as 1920996 + 20693401 = 1386^2 + 4549^2 .

It is not a de Polignac number, because 22614397 - 2²³ = 14225789 is a prime.

It is a super-2 number, since 2×22614397² = 1022821903347218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22614391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66738 + ... + 67075.

It is an arithmetic number, because the mean of its divisors is an integer number (4081327).

Almost surely, 2^22614397 is an apocalyptic number.

It is an amenable number.

22614397 is a deficient number, since it is larger than the sum of its proper divisors (1873565).

22614397 is a wasteful number, since it uses less digits than its factorization.

22614397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133839 (or 133826 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 22614397 is about 4755.4597043819. The cubic root of 22614397 is about 282.7884520745.

The spelling of 22614397 in words is "twenty-two million, six hundred fourteen thousand, three hundred ninety-seven".