22154033 has 8 divisors (see below), whose sum is σ = 24261120. Its totient is φ = 20062480.

The previous prime is 22154021. The next prime is 22154039. The reversal of 22154033 is 33045122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22154033 - 2⁸ = 22153777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22153996 and 22154014.

It is not an unprimeable number, because it can be changed into a prime (22154039) 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, 785 + ... + 6702.

It is an arithmetic number, because the mean of its divisors is an integer number (3032640).

Almost surely, 2^22154033 is an apocalyptic number.

It is an amenable number.

22154033 is a deficient number, since it is larger than the sum of its proper divisors (2107087).

22154033 is a wasteful number, since it uses less digits than its factorization.

22154033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22154033 is about 4706.8070918617. The cubic root of 22154033 is about 280.8563620450.

Adding to 22154033 its reverse (33045122), we get a palindrome (55199155).

The spelling of 22154033 in words is "twenty-two million, one hundred fifty-four thousand, thirty-three".