4022220204242 has 4 divisors (see below), whose sum is σ = 6033330306366. Its totient is φ = 2011110102120.

The previous prime is 4022220204239. The next prime is 4022220204263. The reversal of 4022220204242 is 2424020222204.

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., 3727567737481 + 294652466761 = 1930691^2 + 542819^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005555051059 + ... + 1005555051062.

Almost surely, 2^{4022220204242} is an apocalyptic number.

4022220204242 is a deficient number, since it is larger than the sum of its proper divisors (2011110102124).

4022220204242 is a wasteful number, since it uses less digits than its factorization.

4022220204242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011110102123.

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

Adding to 4022220204242 its reverse (2424020222204), we get a palindrome (6446240426446).

The spelling of 4022220204242 in words is "four trillion, twenty-two billion, two hundred twenty million, two hundred four thousand, two hundred forty-two".