33100401222 has 32 divisors (see below), whose sum is σ = 84064512000. Its totient is φ = 9457257384.

The previous prime is 33100401221. The next prime is 33100401253. The reversal of 33100401222 is 22210400133.

33100401222 is a `hidden beast` number, since 33 + 10 + 0 + 401 + 222 = 666.

It is a super-2 number, since 2×33100401222² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33100401195 and 33100401204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100401221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43783222 + ... + 43783977.

It is an arithmetic number, because the mean of its divisors is an integer number (2627016000).

Almost surely, 2^33100401222 is an apocalyptic number.

33100401222 is an abundant number, since it is smaller than the sum of its proper divisors (50964110778).

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

33100401222 is a wasteful number, since it uses less digits than its factorization.

33100401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87567217 (or 87567211 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 33100401222 its reverse (22210400133), we get a palindrome (55310801355).

The spelling of 33100401222 in words is "thirty-three billion, one hundred million, four hundred one thousand, two hundred twenty-two".