2042222401 has 4 divisors (see below), whose sum is σ = 2076836400. Its totient is φ = 2007608404.

The previous prime is 2042222339. The next prime is 2042222411. The reversal of 2042222401 is 1042222402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2042222401 - 2²¹ = 2040125249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042222411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17306911 + ... + 17307028.

It is an arithmetic number, because the mean of its divisors is an integer number (519209100).

Almost surely, 2^2042222401 is an apocalyptic number.

It is an amenable number.

2042222401 is a deficient number, since it is larger than the sum of its proper divisors (34613999).

2042222401 is an equidigital number, since it uses as much as digits as its factorization.

2042222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34613998.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2042222401 is about 45190.9548582457. The cubic root of 2042222401 is about 1268.7255284626.

Adding to 2042222401 its reverse (1042222402), we get a palindrome (3084444803).

Subtracting from 2042222401 its reverse (1042222402), we obtain a palindrome (999999999).

The spelling of 2042222401 in words is "two billion, forty-two million, two hundred twenty-two thousand, four hundred one".