22206135 has 32 divisors (see below), whose sum is σ = 41283072. Its totient is φ = 9982080.

The previous prime is 22206101. The next prime is 22206139. The reversal of 22206135 is 53160222.

It is not a de Polignac number, because 22206135 - 2¹³ = 22197943 is a prime.

It is a super-2 number, since 2×22206135² = 986224863276450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22206139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4672 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (1290096).

Almost surely, 2^22206135 is an apocalyptic number.

22206135 is a deficient number, since it is larger than the sum of its proper divisors (19076937).

22206135 is a wasteful number, since it uses less digits than its factorization.

22206135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22206135 is about 4712.3385914002. The cubic root of 22206135 is about 281.0763629461.

Adding to 22206135 its reverse (53160222), we get a palindrome (75366357).

The spelling of 22206135 in words is "twenty-two million, two hundred six thousand, one hundred thirty-five".