1222374 has 16 divisors (see below), whose sum is σ = 2504880. Its totient is φ = 397440.

The previous prime is 1222373. The next prime is 1222393. The reversal of 1222374 is 4732221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222373) 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, 2239 + ... + 2730.

It is an arithmetic number, because the mean of its divisors is an integer number (156555).

2^1222374 is an apocalyptic number.

1222374 is an abundant number, since it is smaller than the sum of its proper divisors (1282506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222374 is a wasteful number, since it uses less digits than its factorization.

1222374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015.

The product of its digits is 672, while the sum is 21.

The square root of 1222374 is about 1105.6102387370. The cubic root of 1222374 is about 106.9222365661.

Adding to 1222374 its reverse (4732221), we get a palindrome (5954595).

It can be divided in two parts, 1222 and 374, that added together give a triangular number (1596 = T₅₆).

The spelling of 1222374 in words is "one million, two hundred twenty-two thousand, three hundred seventy-four".