22033142 has 8 divisors (see below), whose sum is σ = 33370896. Its totient is φ = 10909512.

The previous prime is 22033133. The next prime is 22033147. The reversal of 22033142 is 24133022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22033142.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 53273 + ... + 53684.

It is an arithmetic number, because the mean of its divisors is an integer number (4171362).

Almost surely, 2^22033142 is an apocalyptic number.

22033142 is a deficient number, since it is larger than the sum of its proper divisors (11337754).

22033142 is a wasteful number, since it uses less digits than its factorization.

22033142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107062.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22033142 is about 4693.9473793386. The cubic root of 22033142 is about 280.3445672990.

Adding to 22033142 its reverse (24133022), we get a palindrome (46166164).

The spelling of 22033142 in words is "twenty-two million, thirty-three thousand, one hundred forty-two".