422211444 has 24 divisors (see below), whose sum is σ = 1016940288. Its totient is φ = 136197120.

The previous prime is 422211401. The next prime is 422211457. The reversal of 422211444 is 444112224.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567117 + ... + 567860.

It is an arithmetic number, because the mean of its divisors is an integer number (42372512).

Almost surely, 2^422211444 is an apocalyptic number.

It is an amenable number.

422211444 is an abundant number, since it is smaller than the sum of its proper divisors (594728844).

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

422211444 is a wasteful number, since it uses less digits than its factorization.

422211444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135015 (or 1135013 counting only the distinct ones).

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

The square root of 422211444 is about 20547.7844061106. The cubic root of 422211444 is about 750.1993212456.

Adding to 422211444 its reverse (444112224), we get a palindrome (866323668).

The spelling of 422211444 in words is "four hundred twenty-two million, two hundred eleven thousand, four hundred forty-four".