2220443512442 has 4 divisors (see below), whose sum is σ = 3330665268666. Its totient is φ = 1110221756220.

The previous prime is 2220443512421. The next prime is 2220443512453. The reversal of 2220443512442 is 2442153440222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2164373534761 + 56069977681 = 1471181^2 + 236791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555110878109 + ... + 555110878112.

Almost surely, 2^{2220443512442} is an apocalyptic number.

2220443512442 is a deficient number, since it is larger than the sum of its proper divisors (1110221756224).

2220443512442 is a wasteful number, since it uses less digits than its factorization.

2220443512442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110221756223.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 2220443512442 its reverse (2442153440222), we get a palindrome (4662596952664).

The spelling of 2220443512442 in words is "two trillion, two hundred twenty billion, four hundred forty-three million, five hundred twelve thousand, four hundred forty-two".