22207149 has 16 divisors (see below), whose sum is σ = 33027840. Its totient is φ = 14747040.

The previous prime is 22207139. The next prime is 22207153. The reversal of 22207149 is 94170222.

It is not a de Polignac number, because 22207149 - 2⁷ = 22207021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22207139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6124 + ... + 9050.

It is an arithmetic number, because the mean of its divisors is an integer number (2064240).

Almost surely, 2^22207149 is an apocalyptic number.

It is an amenable number.

22207149 is a deficient number, since it is larger than the sum of its proper divisors (10820691).

22207149 is a wasteful number, since it uses less digits than its factorization.

22207149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3211 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22207149 is about 4712.4461800640. The cubic root of 22207149 is about 281.0806411496.

The spelling of 22207149 in words is "twenty-two million, two hundred seven thousand, one hundred forty-nine".