222013413540 has 60 divisors (see below), whose sum is σ = 696464306076. Its totient is φ = 59203576512.

The previous prime is 222013413529. The next prime is 222013413541. The reversal of 222013413540 is 45314310222.

222013413540 is a `hidden beast` number, since 2 + 2 + 201 + 3 + 413 + 5 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61872582564 + 160140830976 = 248742^2 + 400176^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is not an unprimeable number, because it can be changed into a prime (222013413541) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68521039 + ... + 68524278.

Almost surely, 2^222013413540 is an apocalyptic number.

222013413540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222013413540 is an abundant number, since it is smaller than the sum of its proper divisors (474450892536).

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

222013413540 is a wasteful number, since it uses less digits than its factorization.

222013413540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137045338 (or 137045327 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 222013413540 its reverse (45314310222), we get a palindrome (267327723762).

The spelling of 222013413540 in words is "two hundred twenty-two billion, thirteen million, four hundred thirteen thousand, five hundred forty".