22149535 has 16 divisors (see below), whose sum is σ = 28252800. Its totient is φ = 16622496.

The previous prime is 22149503. The next prime is 22149559. The reversal of 22149535 is 53594122.

It is a cyclic number.

It is not a de Polignac number, because 22149535 - 2⁵ = 22149503 is a prime.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 22149497 and 22149506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9076 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (1765800).

Almost surely, 2^22149535 is an apocalyptic number.

22149535 is a deficient number, since it is larger than the sum of its proper divisors (6103265).

22149535 is a wasteful number, since it uses less digits than its factorization.

22149535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310.

The product of its digits is 10800, while the sum is 31.

The square root of 22149535 is about 4706.3292490008. The cubic root of 22149535 is about 280.8373530543.

The spelling of 22149535 in words is "twenty-two million, one hundred forty-nine thousand, five hundred thirty-five".