402422233 has 4 divisors (see below), whose sum is σ = 405591040. Its totient is φ = 399253428.

The previous prime is 402422203. The next prime is 402422239. The reversal of 402422233 is 332224204.

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 a cyclic number.

It is not a de Polignac number, because 402422233 - 2⁵ = 402422201 is a prime.

It is a super-2 number, since 2×402422233² = 323887307225412578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402422239) 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, 1584213 + ... + 1584466.

It is an arithmetic number, because the mean of its divisors is an integer number (101397760).

Almost surely, 2^402422233 is an apocalyptic number.

It is an amenable number.

402422233 is a deficient number, since it is larger than the sum of its proper divisors (3168807).

402422233 is a wasteful number, since it uses less digits than its factorization.

402422233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168806.

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

The square root of 402422233 is about 20060.4644263287. The cubic root of 402422233 is about 738.2905714825.

Adding to 402422233 its reverse (332224204), we get a palindrome (734646437).

The spelling of 402422233 in words is "four hundred two million, four hundred twenty-two thousand, two hundred thirty-three".