42224402522 has 4 divisors (see below), whose sum is σ = 63336603786. Its totient is φ = 21112201260.

The previous prime is 42224402509. The next prime is 42224402567. The reversal of 42224402522 is 22520442224.

It is a happy number.

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., 42197787241 + 26615281 = 205421^2 + 5159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556100629 + ... + 10556100632.

Almost surely, 2^42224402522 is an apocalyptic number.

42224402522 is a deficient number, since it is larger than the sum of its proper divisors (21112201264).

42224402522 is a wasteful number, since it uses less digits than its factorization.

42224402522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21112201263.

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 42224402522 its reverse (22520442224), we get a palindrome (64744844746).

The spelling of 42224402522 in words is "forty-two billion, two hundred twenty-four million, four hundred two thousand, five hundred twenty-two".