1442422220 has 12 divisors (see below), whose sum is σ = 3029086704. Its totient is φ = 576968880.

The previous prime is 1442422193. The next prime is 1442422231. The reversal of 1442422220 is 222242441.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36060536 + ... + 36060575.

It is an arithmetic number, because the mean of its divisors is an integer number (252423892).

Almost surely, 2^1442422220 is an apocalyptic number.

1442422220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442422220 is an abundant number, since it is smaller than the sum of its proper divisors (1586664484).

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

1442422220 is a wasteful number, since it uses less digits than its factorization.

1442422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72121120 (or 72121118 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1442422220 is about 37979.2340628402. The cubic root of 1442422220 is about 1129.8760456093.

Adding to 1442422220 its reverse (222242441), we get a palindrome (1664664661).

The spelling of 1442422220 in words is "one billion, four hundred forty-two million, four hundred twenty-two thousand, two hundred twenty".