1022494 has 8 divisors (see below), whose sum is σ = 1673208. Its totient is φ = 464760.

The previous prime is 1022491. The next prime is 1022501. The reversal of 1022494 is 4942201.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 46477 = 1022494 / (1 + 0 + 2 + 2 + 4 + 9 + 4).

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 3 ways as a sum of consecutive naturals, for example, 23217 + ... + 23260.

It is an arithmetic number, because the mean of its divisors is an integer number (209151).

2^1022494 is an apocalyptic number.

1022494 is a deficient number, since it is larger than the sum of its proper divisors (650714).

1022494 is a wasteful number, since it uses less digits than its factorization.

1022494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46490.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1022494 is about 1011.1844539944. The cubic root of 1022494 is about 100.7442472194.

Adding to 1022494 its reverse (4942201), we get a palindrome (5964695).

The spelling of 1022494 in words is "one million, twenty-two thousand, four hundred ninety-four".