20225222333 has 4 divisors (see below), whose sum is σ = 20227353468. Its totient is φ = 20223091200.

The previous prime is 20225222249. The next prime is 20225222389. The reversal of 20225222333 is 33322252202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1154164729 + 19071057604 = 33973^2 + 138098^2 .

It is a cyclic number.

It is not a de Polignac number, because 20225222333 - 2²⁸ = 19956786877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225222033) 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, 1051268 + ... + 1070333.

It is an arithmetic number, because the mean of its divisors is an integer number (5056838367).

Almost surely, 2^20225222333 is an apocalyptic number.

It is an amenable number.

20225222333 is a deficient number, since it is larger than the sum of its proper divisors (2131135).

20225222333 is an equidigital number, since it uses as much as digits as its factorization.

20225222333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131134.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 20225222333 its reverse (33322252202), we get a palindrome (53547474535).

The spelling of 20225222333 in words is "twenty billion, two hundred twenty-five million, two hundred twenty-two thousand, three hundred thirty-three".