22068135 has 24 divisors (see below), whose sum is σ = 38361024. Its totient is φ = 11736000.

The previous prime is 22068131. The next prime is 22068143. The reversal of 22068135 is 53186022.

It is not a de Polignac number, because 22068135 - 2² = 22068131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22068099 and 22068108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22068131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29010 + ... + 29760.

It is an arithmetic number, because the mean of its divisors is an integer number (1598376).

Almost surely, 2^22068135 is an apocalyptic number.

22068135 is a deficient number, since it is larger than the sum of its proper divisors (16292889).

22068135 is a wasteful number, since it uses less digits than its factorization.

22068135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22068135 is about 4697.6733602923. The cubic root of 22068135 is about 280.4929030585.

The spelling of 22068135 in words is "twenty-two million, sixty-eight thousand, one hundred thirty-five".