1222598 has 16 divisors (see below), whose sum is σ = 2010960. Its totient is φ = 554016.

The previous prime is 1222597. The next prime is 1222601. The reversal of 1222598 is 8952221.

It is a super-3 number, since 3×1222598³ = 5482419932058333576, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (125685).

2^1222598 is an apocalyptic number.

1222598 is a deficient number, since it is larger than the sum of its proper divisors (788362).

1222598 is a wasteful number, since it uses less digits than its factorization.

1222598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its digits is 2880, while the sum is 29.

The square root of 1222598 is about 1105.7115356186. The cubic root of 1222598 is about 106.9287673327.

The spelling of 1222598 in words is "one million, two hundred twenty-two thousand, five hundred ninety-eight".