402022403 has 2 divisors, whose sum is σ = 402022404. Its totient is φ = 402022402.

The previous prime is 402022399. The next prime is 402022429. The reversal of 402022403 is 304220204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402022403 - 2² = 402022399 is a prime.

It is a super-3 number, since 3×402022403³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (402022303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201011201 + 201011202.

It is an arithmetic number, because the mean of its divisors is an integer number (201011202).

Almost surely, 2^402022403 is an apocalyptic number.

402022403 is a deficient number, since it is larger than the sum of its proper divisors (1).

402022403 is an equidigital number, since it uses as much as digits as its factorization.

402022403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 402022403 is about 20050.4963280214. The cubic root of 402022403 is about 738.0459788531.

Adding to 402022403 its reverse (304220204), we get a palindrome (706242607).

The spelling of 402022403 in words is "four hundred two million, twenty-two thousand, four hundred three".