402443331022 has 4 divisors (see below), whose sum is σ = 603664996536. Its totient is φ = 201221665510.

The previous prime is 402443330983. The next prime is 402443331049. The reversal of 402443331022 is 220133344204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610832754 + ... + 100610832757.

It is an arithmetic number, because the mean of its divisors is an integer number (150916249134).

Almost surely, 2^402443331022 is an apocalyptic number.

402443331022 is a deficient number, since it is larger than the sum of its proper divisors (201221665514).

402443331022 is a wasteful number, since it uses less digits than its factorization.

402443331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201221665513.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 402443331022 its reverse (220133344204), we get a palindrome (622576675226).

The spelling of 402443331022 in words is "four hundred two billion, four hundred forty-three million, three hundred thirty-one thousand, twenty-two".