2222440442 has 4 divisors (see below), whose sum is σ = 3333660666. Its totient is φ = 1111220220.

The previous prime is 2222440439. The next prime is 2222440457. The reversal of 2222440442 is 2440442222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2440442222 = 2 ⋅1220221111.

It can be written as a sum of positive squares in only one way, i.e., 2012509321 + 209931121 = 44861^2 + 14489^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555610109 + ... + 555610112.

Almost surely, 2^2222440442 is an apocalyptic number.

2222440442 is a deficient number, since it is larger than the sum of its proper divisors (1111220224).

2222440442 is a wasteful number, since it uses less digits than its factorization.

2222440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111220223.

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2222440442 is about 47142.7665925537. The cubic root of 2222440442 is about 1304.9985940688.

Adding to 2222440442 its reverse (2440442222), we get a palindrome (4662882664).

The spelling of 2222440442 in words is "two billion, two hundred twenty-two million, four hundred forty thousand, four hundred forty-two".