1222498 has 16 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 567216.

The previous prime is 1222493. The next prime is 1222499. The reversal of 1222498 is 8942221.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1222493) 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, 1711 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^1222498 is an apocalyptic number.

1222498 is a deficient number, since it is larger than the sum of its proper divisors (747422).

1222498 is a wasteful number, since it uses less digits than its factorization.

1222498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its digits is 2304, while the sum is 28.

The square root of 1222498 is about 1105.6663149432. Note that the first 3 decimals coincide. The cubic root of 1222498 is about 106.9258519105.

The spelling of 1222498 in words is "one million, two hundred twenty-two thousand, four hundred ninety-eight".