402222042441 has 32 divisors (see below), whose sum is σ = 612115278720. Its totient is φ = 260892721152.

The previous prime is 402222042433. The next prime is 402222042491. The reversal of 402222042441 is 144240222204.

It is not a de Polignac number, because 402222042441 - 2³ = 402222042433 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (402222042491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375640 + ... + 972393.

It is an arithmetic number, because the mean of its divisors is an integer number (19128602460).

Almost surely, 2^402222042441 is an apocalyptic number.

It is an amenable number.

402222042441 is a deficient number, since it is larger than the sum of its proper divisors (209893236279).

402222042441 is a wasteful number, since it uses less digits than its factorization.

402222042441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348342 (or 1348336 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 402222042441 its reverse (144240222204), we get a palindrome (546462264645).

The spelling of 402222042441 in words is "four hundred two billion, two hundred twenty-two million, forty-two thousand, four hundred forty-one".