33222243400 has 48 divisors (see below), whose sum is σ = 79905237300. Its totient is φ = 12830657280.

The previous prime is 33222243361. The next prime is 33222243409. The reversal of 33222243400 is 434222233.

It can be written as a sum of positive squares in 6 ways, for example, as 22153940964 + 11068302436 = 148842^2 + 105206^2 .

It is a super-2 number, since 2×33222243400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (33222243409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2858187 + ... + 2869786.

Almost surely, 2^33222243400 is an apocalyptic number.

It is an amenable number.

33222243400 is an abundant number, since it is smaller than the sum of its proper divisors (46682993900).

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

33222243400 is a wasteful number, since it uses less digits than its factorization.

33222243400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728018 (or 5728009 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 33222243400 its reverse (434222233), we get a palindrome (33656465633).

The spelling of 33222243400 in words is "thirty-three billion, two hundred twenty-two million, two hundred forty-three thousand, four hundred".