22649371 has 2 divisors, whose sum is σ = 22649372. Its totient is φ = 22649370.

The previous prime is 22649359. The next prime is 22649383. The reversal of 22649371 is 17394622.

It is a balanced prime because it is at equal distance from previous prime (22649359) and next prime (22649383).

It is a cyclic number.

It is not a de Polignac number, because 22649371 - 2⁷ = 22649243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22649771) 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 as a sum of consecutive naturals, namely, 11324685 + 11324686.

It is an arithmetic number, because the mean of its divisors is an integer number (11324686).

Almost surely, 2^22649371 is an apocalyptic number.

22649371 is a deficient number, since it is larger than the sum of its proper divisors (1).

22649371 is an equidigital number, since it uses as much as digits as its factorization.

22649371 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22649371 is about 4759.1355307451. The cubic root of 22649371 is about 282.9341579148.

The spelling of 22649371 in words is "twenty-two million, six hundred forty-nine thousand, three hundred seventy-one".