1022400233 has 4 divisors (see below), whose sum is σ = 1023089280. Its totient is φ = 1021711188.

The previous prime is 1022400217. The next prime is 1022400251. The reversal of 1022400233 is 3320042201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3320042201 = 7 ⋅474291743.

It is a cyclic number.

It is not a de Polignac number, because 1022400233 - 2⁴ = 1022400217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022400433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342293 + ... + 345266.

It is an arithmetic number, because the mean of its divisors is an integer number (255772320).

Almost surely, 2^1022400233 is an apocalyptic number.

It is an amenable number.

1022400233 is a deficient number, since it is larger than the sum of its proper divisors (689047).

1022400233 is an equidigital number, since it uses as much as digits as its factorization.

1022400233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689046.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1022400233 is about 31974.9938702105. The cubic root of 1022400233 is about 1007.4116756819.

Adding to 1022400233 its reverse (3320042201), we get a palindrome (4342442434).

The spelling of 1022400233 in words is "one billion, twenty-two million, four hundred thousand, two hundred thirty-three".