33222144432 has 80 divisors (see below), whose sum is σ = 86245774560. Its totient is φ = 11019724800.

The previous prime is 33222144421. The next prime is 33222144443. The reversal of 33222144432 is 23444122233.

It is an interprime number because it is at equal distance from previous prime (33222144421) and next prime (33222144443).

It is a super-2 number, since 2×33222144432² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 33222144432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14957082 + ... + 14959302.

It is an arithmetic number, because the mean of its divisors is an integer number (1078072182).

Almost surely, 2^33222144432 is an apocalyptic number.

It is an amenable number.

33222144432 is an abundant number, since it is smaller than the sum of its proper divisors (53023630128).

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

33222144432 is a wasteful number, since it uses less digits than its factorization.

33222144432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3616 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

Adding to 33222144432 its reverse (23444122233), we get a palindrome (56666266665).

The spelling of 33222144432 in words is "thirty-three billion, two hundred twenty-two million, one hundred forty-four thousand, four hundred thirty-two".