201402223442 has 20 divisors (see below), whose sum is σ = 352432928766. Its totient is φ = 86315236560.

The previous prime is 201402223439. The next prime is 201402223447. The reversal of 201402223442 is 244322204102.

It can be written as a sum of positive squares in only one way, i.e., 144247280401 + 57154943041 = 379799^2 + 239071^2 .

It is not an unprimeable number, because it can be changed into a prime (201402223447) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20965859 + ... + 20975462.

Almost surely, 2^201402223442 is an apocalyptic number.

201402223442 is a deficient number, since it is larger than the sum of its proper divisors (151030705324).

201402223442 is an frugal number, since it uses more digits than its factorization.

201402223442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41941351 (or 41941330 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 201402223442 its reverse (244322204102), we get a palindrome (445724427544).

The spelling of 201402223442 in words is "two hundred one billion, four hundred two million, two hundred twenty-three thousand, four hundred forty-two".