33220220044 has 24 divisors (see below), whose sum is σ = 63425613888. Its totient is φ = 15098863440.

The previous prime is 33220220017. The next prime is 33220220063. The reversal of 33220220044 is 44002202233.

It is a super-2 number, since 2×33220220044² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 33220219997 and 33220220024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714327 + ... + 759409.

It is an arithmetic number, because the mean of its divisors is an integer number (2642733912).

Almost surely, 2^33220220044 is an apocalyptic number.

It is an amenable number.

33220220044 is a deficient number, since it is larger than the sum of its proper divisors (30205393844).

33220220044 is a wasteful number, since it uses less digits than its factorization.

33220220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61845 (or 61843 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 33220220044 its reverse (44002202233), we get a palindrome (77222422277).

The spelling of 33220220044 in words is "thirty-three billion, two hundred twenty million, two hundred twenty thousand, forty-four".