402222403 has 4 divisors (see below), whose sum is σ = 438788088. Its totient is φ = 365656720.

The previous prime is 402222391. The next prime is 402222409. The reversal of 402222403 is 304222204.

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

It is not a de Polignac number, because 402222403 - 2⁹ = 402221891 is a prime.

It is a super-2 number, since 2×402222403² = 323565722950188818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402222409) 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, 18282826 + ... + 18282847.

It is an arithmetic number, because the mean of its divisors is an integer number (109697022).

Almost surely, 2^402222403 is an apocalyptic number.

402222403 is a deficient number, since it is larger than the sum of its proper divisors (36565685).

402222403 is a wasteful number, since it uses less digits than its factorization.

402222403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36565684.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 402222403 is about 20055.4831155971. The cubic root of 402222403 is about 738.1683474273.

Adding to 402222403 its reverse (304222204), we get a palindrome (706444607).

The spelling of 402222403 in words is "four hundred two million, two hundred twenty-two thousand, four hundred three".