33226144 has 24 divisors (see below), whose sum is σ = 74759328. Its totient is φ = 14239680.

The previous prime is 33226139. The next prime is 33226147. The reversal of 33226144 is 44162233.

It is a super-2 number, since 2×33226144² = 2207953290217472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33226147) 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, 73942 + ... + 74389.

It is an arithmetic number, because the mean of its divisors is an integer number (3114972).

Almost surely, 2^33226144 is an apocalyptic number.

It is an amenable number.

33226144 is an abundant number, since it is smaller than the sum of its proper divisors (41533184).

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

33226144 is a wasteful number, since it uses less digits than its factorization.

33226144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148348 (or 148340 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 33226144 is about 5764.2123486214. The cubic root of 33226144 is about 321.4844572269.

Adding to 33226144 its reverse (44162233), we get a palindrome (77388377).

The spelling of 33226144 in words is "thirty-three million, two hundred twenty-six thousand, one hundred forty-four".