1222005435 has 32 divisors (see below), whose sum is σ = 2244587520. Its totient is φ = 556115328.

The previous prime is 1222005427. The next prime is 1222005437. The reversal of 1222005435 is 5345002221.

It is not a de Polignac number, because 1222005435 - 2³ = 1222005427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222005437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2680 + ... + 49509.

It is an arithmetic number, because the mean of its divisors is an integer number (70143360).

Almost surely, 2^1222005435 is an apocalyptic number.

1222005435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222005435 is a deficient number, since it is larger than the sum of its proper divisors (1022582085).

1222005435 is a wasteful number, since it uses less digits than its factorization.

1222005435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52427.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1222005435 is about 34957.1943239156. The cubic root of 1222005435 is about 1069.1148924010.

Adding to 1222005435 its reverse (5345002221), we get a palindrome (6567007656).

The spelling of 1222005435 in words is "one billion, two hundred twenty-two million, five thousand, four hundred thirty-five".