22033146 has 16 divisors (see below), whose sum is σ = 44687808. Its totient is φ = 7240800.

The previous prime is 22033133. The next prime is 22033147. The reversal of 22033146 is 64133022.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22033147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25435 + ... + 26286.

It is an arithmetic number, because the mean of its divisors is an integer number (2792988).

Almost surely, 2^22033146 is an apocalyptic number.

22033146 is an abundant number, since it is smaller than the sum of its proper divisors (22654662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22033146 is a wasteful number, since it uses less digits than its factorization.

22033146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51797.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22033146 is about 4693.9478054192. The cubic root of 22033146 is about 280.3445842640.

Adding to 22033146 its reverse (64133022), we get a palindrome (86166168).

The spelling of 22033146 in words is "twenty-two million, thirty-three thousand, one hundred forty-six".