42402004222 has 4 divisors (see below), whose sum is σ = 63603006336. Its totient is φ = 21201002110.

The previous prime is 42402004219. The next prime is 42402004237. The reversal of 42402004222 is 22240020424.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 42402004193 and 42402004202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600501054 + ... + 10600501057.

It is an arithmetic number, because the mean of its divisors is an integer number (15900751584).

Almost surely, 2^42402004222 is an apocalyptic number.

42402004222 is a deficient number, since it is larger than the sum of its proper divisors (21201002114).

42402004222 is a wasteful number, since it uses less digits than its factorization.

42402004222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21201002113.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 42402004222 its reverse (22240020424), we get a palindrome (64642024646).

The spelling of 42402004222 in words is "forty-two billion, four hundred two million, four thousand, two hundred twenty-two".