1345222 has 8 divisors (see below), whose sum is σ = 2023272. Its totient is φ = 670800.

The previous prime is 1345207. The next prime is 1345229. The reversal of 1345222 is 2225431.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1345222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345229) 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, 397 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (252909).

2^1345222 is an apocalyptic number.

1345222 is a deficient number, since it is larger than the sum of its proper divisors (678050).

1345222 is a wasteful number, since it uses less digits than its factorization.

1345222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its digits is 480, while the sum is 19.

The square root of 1345222 is about 1159.8370575214. The cubic root of 1345222 is about 110.3904034051.

It can be divided in two parts, 134 and 5222, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 1345222 in words is "one million, three hundred forty-five thousand, two hundred twenty-two".