1242222635 has 16 divisors (see below), whose sum is σ = 1499427072. Its totient is φ = 987957600.

The previous prime is 1242222629. The next prime is 1242222647. The reversal of 1242222635 is 5362222421.

It is not a de Polignac number, because 1242222635 - 2⁸ = 1242222379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242222598 and 1242222607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762692 + ... + 764318.

It is an arithmetic number, because the mean of its divisors is an integer number (93714192).

Almost surely, 2^1242222635 is an apocalyptic number.

1242222635 is a deficient number, since it is larger than the sum of its proper divisors (257204437).

1242222635 is a wasteful number, since it uses less digits than its factorization.

1242222635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434.

The product of its digits is 11520, while the sum is 29.

The square root of 1242222635 is about 35245.1788901688. The cubic root of 1242222635 is about 1074.9785854757.

The spelling of 1242222635 in words is "one billion, two hundred forty-two million, two hundred twenty-two thousand, six hundred thirty-five".