1222000042 has 8 divisors (see below), whose sum is σ = 1833987456. Its totient is φ = 610670892.

The previous prime is 1222000037. The next prime is 1222000063. The reversal of 1222000042 is 2400002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1221999986 and 1222000031.

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, 159898 + ... + 167365.

It is an arithmetic number, because the mean of its divisors is an integer number (229248432).

Almost surely, 2^1222000042 is an apocalyptic number.

1222000042 is a deficient number, since it is larger than the sum of its proper divisors (611987414).

1222000042 is a wasteful number, since it uses less digits than its factorization.

1222000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329132.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1222000042 is about 34957.1171866331. The cubic root of 1222000042 is about 1069.1133196461.

Adding to 1222000042 its reverse (2400002221), we get a palindrome (3622002263).

The spelling of 1222000042 in words is "one billion, two hundred twenty-two million, forty-two", and thus it is an aban number.