22149459 has 12 divisors (see below), whose sum is σ = 33677800. Its totient is φ = 13989024.

The previous prime is 22149451. The next prime is 22149461. The reversal of 22149459 is 95494122.

It is not a de Polignac number, because 22149459 - 2³ = 22149451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22149451) 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, 64594 + ... + 64935.

Almost surely, 2^22149459 is an apocalyptic number.

22149459 is a deficient number, since it is larger than the sum of its proper divisors (11528341).

22149459 is a wasteful number, since it uses less digits than its factorization.

22149459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129554 (or 129551 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 22149459 is about 4706.3211747606. The cubic root of 22149459 is about 280.8370318487.

The spelling of 22149459 in words is "twenty-two million, one hundred forty-nine thousand, four hundred fifty-nine".