1422222240 has 48 divisors (see below), whose sum is σ = 4480001568. Its totient is φ = 379259136.

The previous prime is 1422222239. The next prime is 1422222251. The reversal of 1422222240 is 422222241.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1481002 + ... + 1481961.

It is an arithmetic number, because the mean of its divisors is an integer number (93333366).

Almost surely, 2^1422222240 is an apocalyptic number.

1422222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422222240 is an abundant number, since it is smaller than the sum of its proper divisors (3057779328).

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

1422222240 is a wasteful number, since it uses less digits than its factorization.

1422222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962981 (or 2962973 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1422222240 is about 37712.3618989848. The cubic root of 1422222240 is about 1124.5768917547.

Adding to 1422222240 its reverse (422222241), we get a palindrome (1844444481).

Subtracting from 1422222240 its reverse (422222241), we obtain a palindrome (999999999).

The spelling of 1422222240 in words is "one billion, four hundred twenty-two million, two hundred twenty-two thousand, two hundred forty".