33223113191898 has 240 divisors, whose sum is σ = 93246735954240. Its totient is φ = 8782521479424.

The previous prime is 33223113191759. The next prime is 33223113191923. The reversal of 33223113191898 is 89819131132233.

It is a happy number.

33223113191898 is a `hidden beast` number, since 3 + 3 + 2 + 2 + 311 + 319 + 1 + 8 + 9 + 8 = 666.

It is a super-2 number, since 2×33223113191898² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5875411 + ... + 10048217.

It is an arithmetic number, because the mean of its divisors is an integer number (388528066476).

Almost surely, 2^{33223113191898} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33223113191898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46623367977120).

33223113191898 is an abundant number, since it is smaller than the sum of its proper divisors (60023622762342).

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

33223113191898 is a wasteful number, since it uses less digits than its factorization.

33223113191898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172911 (or 4172895 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The spelling of 33223113191898 in words is "thirty-three trillion, two hundred twenty-three billion, one hundred thirteen million, one hundred ninety-one thousand, eight hundred ninety-eight".