1490222 has 16 divisors (see below), whose sum is σ = 2317680. Its totient is φ = 718272.

The previous prime is 1490213. The next prime is 1490233. The reversal of 1490222 is 2220941.

It is a junction number, because it is equal to n+sod(n) for n = 1490194 and 1490203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8528 + ... + 8700.

It is an arithmetic number, because the mean of its divisors is an integer number (144855).

2^1490222 is an apocalyptic number.

1490222 is a deficient number, since it is larger than the sum of its proper divisors (827458).

1490222 is a wasteful number, since it uses less digits than its factorization.

1490222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1490222 is about 1220.7464929296. The cubic root of 1490222 is about 114.2221481330. Note that the first 3 decimals are identical.

The spelling of 1490222 in words is "one million, four hundred ninety thousand, two hundred twenty-two".