402222413444 has 6 divisors (see below), whose sum is σ = 703889223534. Its totient is φ = 201111206720.

The previous prime is 402222413441. The next prime is 402222413459. The reversal of 402222413444 is 444314222204.

It can be written as a sum of positive squares in only one way, i.e., 401994040900 + 228372544 = 634030^2 + 15112^2 .

It is a super-2 number, since 2×402222413444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402222413444.

It is not an unprimeable number, because it can be changed into a prime (402222413441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50277801677 + ... + 50277801684.

It is an arithmetic number, because the mean of its divisors is an integer number (117314870589).

Almost surely, 2^402222413444 is an apocalyptic number.

It is an amenable number.

402222413444 is a deficient number, since it is larger than the sum of its proper divisors (301666810090).

402222413444 is a wasteful number, since it uses less digits than its factorization.

402222413444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100555603365 (or 100555603363 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 402222413444 its reverse (444314222204), we get a palindrome (846536635648).

The spelling of 402222413444 in words is "four hundred two billion, two hundred twenty-two million, four hundred thirteen thousand, four hundred forty-four".