1222008135 has 16 divisors (see below), whose sum is σ = 1958386560. Its totient is φ = 650679840.

The previous prime is 1222008133. The next prime is 1222008173. The reversal of 1222008135 is 5318002221.

It is not a de Polignac number, because 1222008135 - 2¹ = 1222008133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222008133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56521 + ... + 75090.

It is an arithmetic number, because the mean of its divisors is an integer number (122399160).

Almost surely, 2^1222008135 is an apocalyptic number.

1222008135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222008135 is a deficient number, since it is larger than the sum of its proper divisors (736378425).

1222008135 is a wasteful number, since it uses less digits than its factorization.

1222008135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132238.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1222008135 is about 34957.2329425542. The cubic root of 1222008135 is about 1069.1156797974.

The spelling of 1222008135 in words is "one billion, two hundred twenty-two million, eight thousand, one hundred thirty-five".