1442421222 has 16 divisors (see below), whose sum is σ = 3147100992. Its totient is φ = 437097320.

The previous prime is 1442421193. The next prime is 1442421223. The reversal of 1442421222 is 2221242441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1442421192 and 1442421201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442421223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10927368 + ... + 10927499.

It is an arithmetic number, because the mean of its divisors is an integer number (196693812).

Almost surely, 2^1442421222 is an apocalyptic number.

1442421222 is an abundant number, since it is smaller than the sum of its proper divisors (1704679770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442421222 is a wasteful number, since it uses less digits than its factorization.

1442421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21854883.

The product of its digits is 2048, while the sum is 24.

The square root of 1442421222 is about 37979.2209240790. The cubic root of 1442421222 is about 1129.8757850253.

Adding to 1442421222 its reverse (2221242441), we get a palindrome (3663663663).

The spelling of 1442421222 in words is "one billion, four hundred forty-two million, four hundred twenty-one thousand, two hundred twenty-two".