214222143444 has 48 divisors (see below), whose sum is σ = 516041250816. Its totient is φ = 69095167200.

The previous prime is 214222143439. The next prime is 214222143463. The reversal of 214222143444 is 444341222412.

It is a super-2 number, since 2×214222143444² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3320139 + ... + 3384045.

It is an arithmetic number, because the mean of its divisors is an integer number (10750859392).

Almost surely, 2^214222143444 is an apocalyptic number.

It is an amenable number.

214222143444 is an abundant number, since it is smaller than the sum of its proper divisors (301819107372).

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

214222143444 is a wasteful number, since it uses less digits than its factorization.

214222143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72956 (or 72954 counting only the distinct ones).

The product of its digits is 49152, while the sum is 33.

Adding to 214222143444 its reverse (444341222412), we get a palindrome (658563365856).

The spelling of 214222143444 in words is "two hundred fourteen billion, two hundred twenty-two million, one hundred forty-three thousand, four hundred forty-four".