1822498 has 4 divisors (see below), whose sum is σ = 2733750. Its totient is φ = 911248.

The previous prime is 1822493. The next prime is 1822501. The reversal of 1822498 is 8942281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8942281 = 73 ⋅122497.

It can be written as a sum of positive squares in only one way, i.e., 1505529 + 316969 = 1227^2 + 563^2 .

It is not an unprimeable number, because it can be changed into a prime (1822493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455623 + ... + 455626.

2^1822498 is an apocalyptic number.

1822498 is a deficient number, since it is larger than the sum of its proper divisors (911252).

1822498 is an equidigital number, since it uses as much as digits as its factorization.

1822498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911251.

The product of its digits is 9216, while the sum is 34.

The square root of 1822498 is about 1349.9992592591. Note that the first 3 decimals coincide. The cubic root of 1822498 is about 122.1487480650.

The spelling of 1822498 in words is "one million, eight hundred twenty-two thousand, four hundred ninety-eight".