1022493 has 8 divisors (see below), whose sum is σ = 1368000. Its totient is φ = 679328.

The previous prime is 1022491. The next prime is 1022501. The reversal of 1022493 is 3942201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022493 - 2¹ = 1022491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408 + ... + 2006.

It is an arithmetic number, because the mean of its divisors is an integer number (171000).

2^1022493 is an apocalyptic number.

It is an amenable number.

1022493 is a deficient number, since it is larger than the sum of its proper divisors (345507).

1022493 is an equidigital number, since it uses as much as digits as its factorization.

1022493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1022493 is about 1011.1839595247. The cubic root of 1022493 is about 100.7442143767.

Adding to 1022493 its reverse (3942201), we get a palindrome (4964694).

The spelling of 1022493 in words is "one million, twenty-two thousand, four hundred ninety-three".