1345822 has 16 divisors (see below), whose sum is σ = 2231712. Its totient is φ = 605440.

The previous prime is 1345811. The next prime is 1345859. The reversal of 1345822 is 2285431.

It is a super-2 number, since 2×1345822² = 3622473711368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (139482).

2^1345822 is an apocalyptic number.

1345822 is a deficient number, since it is larger than the sum of its proper divisors (885890).

1345822 is a wasteful number, since it uses less digits than its factorization.

1345822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763.

The product of its digits is 1920, while the sum is 25.

The square root of 1345822 is about 1160.0956857087. The cubic root of 1345822 is about 110.4068131866.

It can be divided in two parts, 13 and 45822, that multiplied together give a triangular number (595686 = T₁₀₉₁).

The spelling of 1345822 in words is "one million, three hundred forty-five thousand, eight hundred twenty-two".