402214433 has 4 divisors (see below), whose sum is σ = 402871188. Its totient is φ = 401557680.

The previous prime is 402214411. The next prime is 402214471. The reversal of 402214433 is 334412204.

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 124925329 + 277289104 = 11177^2 + 16652^2 .

It is a cyclic number.

It is not a de Polignac number, because 402214433 - 2¹⁸ = 401952289 is a prime.

It is a super-2 number, since 2×402214433² = 323552900227022978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402214399 and 402214408.

It is not an unprimeable number, because it can be changed into a prime (402514433) 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, 327458 + ... + 328683.

It is an arithmetic number, because the mean of its divisors is an integer number (100717797).

Almost surely, 2^402214433 is an apocalyptic number.

It is an amenable number.

402214433 is a deficient number, since it is larger than the sum of its proper divisors (656755).

402214433 is an equidigital number, since it uses as much as digits as its factorization.

402214433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656754.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 402214433 is about 20055.2844158341. The cubic root of 402214433 is about 738.1634718157.

Adding to 402214433 its reverse (334412204), we get a palindrome (736626637).

The spelling of 402214433 in words is "four hundred two million, two hundred fourteen thousand, four hundred thirty-three".