1222442340052 has 12 divisors (see below), whose sum is σ = 2139385864896. Its totient is φ = 611189235800.

The previous prime is 1222442340019. The next prime is 1222442340083. The reversal of 1222442340052 is 2500432442221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1222442339996 and 1222442340023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7897324 + ... + 8050627.

It is an arithmetic number, because the mean of its divisors is an integer number (178282155408).

Almost surely, 2^{1222442340052} is an apocalyptic number.

It is an amenable number.

1222442340052 is a deficient number, since it is larger than the sum of its proper divisors (916943524844).

1222442340052 is a wasteful number, since it uses less digits than its factorization.

1222442340052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15967118 (or 15967116 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 1222442340052 its reverse (2500432442221), we get a palindrome (3722874782273).

The spelling of 1222442340052 in words is "one trillion, two hundred twenty-two billion, four hundred forty-two million, three hundred forty thousand, fifty-two".