1222684835 has 4 divisors (see below), whose sum is σ = 1467221808. Its totient is φ = 978147864.

The previous prime is 1222684831. The next prime is 1222684843. The reversal of 1222684835 is 5384862221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5384862221 = 32077 ⋅167873.

It is a cyclic number.

It is not a de Polignac number, because 1222684835 - 2² = 1222684831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222684792 and 1222684801.

It is not an unprimeable number, because it can be changed into a prime (1222684831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122268479 + ... + 122268488.

It is an arithmetic number, because the mean of its divisors is an integer number (366805452).

Almost surely, 2^1222684835 is an apocalyptic number.

1222684835 is a deficient number, since it is larger than the sum of its proper divisors (244536973).

1222684835 is an equidigital number, since it uses as much as digits as its factorization.

1222684835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244536972.

The product of its digits is 184320, while the sum is 41.

The square root of 1222684835 is about 34966.9105727115. The cubic root of 1222684835 is about 1069.3129881071.

The spelling of 1222684835 in words is "one billion, two hundred twenty-two million, six hundred eighty-four thousand, eight hundred thirty-five".