1022345 has 8 divisors (see below), whose sum is σ = 1236480. Its totient is φ = 811440.

The previous prime is 1022341. The next prime is 1022377. The reversal of 1022345 is 5432201.

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

It is not a de Polignac number, because 1022345 - 2² = 1022341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022341) 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, 41 + ... + 1430.

It is an arithmetic number, because the mean of its divisors is an integer number (154560).

2^1022345 is an apocalyptic number.

It is an amenable number.

1022345 is a deficient number, since it is larger than the sum of its proper divisors (214135).

1022345 is a wasteful number, since it uses less digits than its factorization.

1022345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1022345 is about 1011.1107753357. The cubic root of 1022345 is about 100.7393534264.

Adding to 1022345 its reverse (5432201), we get a palindrome (6454546).

The spelling of 1022345 in words is "one million, twenty-two thousand, three hundred forty-five".