1420222 has 8 divisors (see below), whose sum is σ = 2144376. Its totient is φ = 705432.

The previous prime is 1420207. The next prime is 1420253. The reversal of 1420222 is 2220241.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948 + ... + 2575.

It is an arithmetic number, because the mean of its divisors is an integer number (268047).

2^1420222 is an apocalyptic number.

1420222 is a deficient number, since it is larger than the sum of its proper divisors (724154).

1420222 is a wasteful number, since it uses less digits than its factorization.

1420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1420222 is about 1191.7306742717. The cubic root of 1420222 is about 112.4049435734.

Adding to 1420222 its reverse (2220241), we get a palindrome (3640463).

The spelling of 1420222 in words is "one million, four hundred twenty thousand, two hundred twenty-two".