402234105 has 64 divisors (see below), whose sum is σ = 795045888. Its totient is φ = 169102080.

The previous prime is 402233981. The next prime is 402234121. The reversal of 402234105 is 501432204.

It is not a de Polignac number, because 402234105 - 2¹² = 402230009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 637140 + ... + 637770.

It is an arithmetic number, because the mean of its divisors is an integer number (12422592).

Almost surely, 2^402234105 is an apocalyptic number.

It is an amenable number.

402234105 is a deficient number, since it is larger than the sum of its proper divisors (392811783).

402234105 is a wasteful number, since it uses less digits than its factorization.

402234105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 402234105 is about 20055.7748541411. The cubic root of 402234105 is about 738.1755059563.

Adding to 402234105 its reverse (501432204), we get a palindrome (903666309).

The spelling of 402234105 in words is "four hundred two million, two hundred thirty-four thousand, one hundred five".