1222402535 has 8 divisors (see below), whose sum is σ = 1467170496. Its totient is φ = 977730400.

The previous prime is 1222402513. The next prime is 1222402537. The reversal of 1222402535 is 5352042221.

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

It is not a de Polignac number, because 1222402535 - 2¹² = 1222398439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222402537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7985 + ... + 50085.

It is an arithmetic number, because the mean of its divisors is an integer number (183396312).

Almost surely, 2^1222402535 is an apocalyptic number.

1222402535 is a deficient number, since it is larger than the sum of its proper divisors (244767961).

1222402535 is an equidigital number, since it uses as much as digits as its factorization.

1222402535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47913.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1222402535 is about 34962.8736662191. The cubic root of 1222402535 is about 1069.2306855428.

Adding to 1222402535 its reverse (5352042221), we get a palindrome (6574444756).

The spelling of 1222402535 in words is "one billion, two hundred twenty-two million, four hundred two thousand, five hundred thirty-five".