1422213444 has 24 divisors (see below), whose sum is σ = 3687220320. Its totient is φ = 474071112.

The previous prime is 1422213427. The next prime is 1422213449. The reversal of 1422213444 is 4443122241.

1422213444 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 213 + 444 = 666.

It is a super-2 number, since 2×1422213444² = 4045382160588682272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1422213449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6584214 + ... + 6584429.

It is an arithmetic number, because the mean of its divisors is an integer number (153634180).

Almost surely, 2^1422213444 is an apocalyptic number.

It is an amenable number.

1422213444 is an abundant number, since it is smaller than the sum of its proper divisors (2265006876).

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

1422213444 is a wasteful number, since it uses less digits than its factorization.

1422213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13168656 (or 13168648 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1422213444 is about 37712.2452792193. The cubic root of 1422213444 is about 1124.5745733644.

Adding to 1422213444 its reverse (4443122241), we get a palindrome (5865335685).

The spelling of 1422213444 in words is "one billion, four hundred twenty-two million, two hundred thirteen thousand, four hundred forty-four".