22133154 has 8 divisors (see below), whose sum is σ = 44266320. Its totient is φ = 7377716.

The previous prime is 22133129. The next prime is 22133173. The reversal of 22133154 is 45133122.

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

22133154 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22133154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844424 + ... + 1844435.

It is an arithmetic number, because the mean of its divisors is an integer number (5533290).

Almost surely, 2^22133154 is an apocalyptic number.

22133154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22133154 is a wasteful number, since it uses less digits than its factorization.

22133154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688864.

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

The square root of 22133154 is about 4704.5886111328. The cubic root of 22133154 is about 280.7681035758.

Adding to 22133154 its reverse (45133122), we get a palindrome (67266276).

The spelling of 22133154 in words is "twenty-two million, one hundred thirty-three thousand, one hundred fifty-four".