222856151440 has 40 divisors (see below), whose sum is σ = 557997520248. Its totient is φ = 82285347840.

The previous prime is 222856151431. The next prime is 222856151533. The reversal of 222856151440 is 44151658222.

222856151440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9090478336 + 213765673104 = 95344^2 + 462348^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 222856151393 and 222856151402.

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, 107141341 + ... + 107143420.

Almost surely, 2^222856151440 is an apocalyptic number.

222856151440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222856151440 is an abundant number, since it is smaller than the sum of its proper divisors (335141368808).

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

222856151440 is a wasteful number, since it uses less digits than its factorization.

222856151440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214284787 (or 214284781 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 222856151440 in words is "two hundred twenty-two billion, eight hundred fifty-six million, one hundred fifty-one thousand, four hundred forty".