224078189140 has 48 divisors (see below), whose sum is σ = 510460512912. Its totient is φ = 82132632576.

The previous prime is 224078189123. The next prime is 224078189147. The reversal of 224078189140 is 41981870422.

It can be written as a sum of positive squares in 8 ways, for example, as 1613146896 + 222465042244 = 40164^2 + 471662^2 .

It is a super-2 number, since 2×224078189140² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224078189147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3109779 + ... + 3181018.

It is an arithmetic number, because the mean of its divisors is an integer number (10634594019).

Almost surely, 2^224078189140 is an apocalyptic number.

224078189140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224078189140 is an abundant number, since it is smaller than the sum of its proper divisors (286382323772).

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

224078189140 is a wasteful number, since it uses less digits than its factorization.

224078189140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290956 (or 6290954 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 224078189140 in words is "two hundred twenty-four billion, seventy-eight million, one hundred eighty-nine thousand, one hundred forty".