402211231402 has 8 divisors (see below), whose sum is σ = 604213308036. Its totient is φ = 200806795392.

The previous prime is 402211231399. The next prime is 402211231441. The reversal of 402211231402 is 204132112204.

It can be written as a sum of positive squares in 2 ways, for example, as 384758443521 + 17452787881 = 620289^2 + 132109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149408473 + ... + 149411164.

Almost surely, 2^402211231402 is an apocalyptic number.

402211231402 is a deficient number, since it is larger than the sum of its proper divisors (202002076634).

402211231402 is a wasteful number, since it uses less digits than its factorization.

402211231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298820312.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 402211231402 its reverse (204132112204), we get a palindrome (606343343606).

The spelling of 402211231402 in words is "four hundred two billion, two hundred eleven million, two hundred thirty-one thousand, four hundred two".