402234471 has 16 divisors (see below), whose sum is σ = 599704800. Its totient is φ = 266445504.

The previous prime is 402234463. The next prime is 402234473. The reversal of 402234471 is 174432204.

It is not a de Polignac number, because 402234471 - 2³ = 402234463 is a prime.

It is a super-3 number, since 3×402234471³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402234473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43206 + ... + 51683.

It is an arithmetic number, because the mean of its divisors is an integer number (37481550).

Almost surely, 2^402234471 is an apocalyptic number.

402234471 is a deficient number, since it is larger than the sum of its proper divisors (197470329).

402234471 is a wasteful number, since it uses less digits than its factorization.

402234471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95055 (or 95049 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 402234471 is about 20055.7839786930. The cubic root of 402234471 is about 738.1757298493.

Adding to 402234471 its reverse (174432204), we get a palindrome (576666675).

The spelling of 402234471 in words is "four hundred two million, two hundred thirty-four thousand, four hundred seventy-one".