222133302021 has 4 divisors (see below), whose sum is σ = 296177736032. Its totient is φ = 148088868012.

The previous prime is 222133301993. The next prime is 222133302023. The reversal of 222133302021 is 120203331222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222133302021 - 2⁵ = 222133301989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222133302023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37022217001 + ... + 37022217006.

It is an arithmetic number, because the mean of its divisors is an integer number (74044434008).

Almost surely, 2^222133302021 is an apocalyptic number.

It is an amenable number.

222133302021 is a deficient number, since it is larger than the sum of its proper divisors (74044434011).

222133302021 is an equidigital number, since it uses as much as digits as its factorization.

222133302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74044434010.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 222133302021 its reverse (120203331222), we get a palindrome (342336633243).

The spelling of 222133302021 in words is "two hundred twenty-two billion, one hundred thirty-three million, three hundred two thousand, twenty-one".