222012447207540 has 96 divisors (see below), whose sum is σ = 707631768539136. Its totient is φ = 51481147175040.

The previous prime is 222012447207457. The next prime is 222012447207541. The reversal of 222012447207540 is 45702744210222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222012447207492 and 222012447207501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012447207541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7312647772 + ... + 7312678131.

It is an arithmetic number, because the mean of its divisors is an integer number (7371164255616).

Almost surely, 2^{222012447207540} is an apocalyptic number.

222012447207540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012447207540 is an abundant number, since it is smaller than the sum of its proper divisors (485619321331596).

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

222012447207540 is a wasteful number, since it uses less digits than its factorization.

222012447207540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14625325949 (or 14625325947 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 42.

The spelling of 222012447207540 in words is "two hundred twenty-two trillion, twelve billion, four hundred forty-seven million, two hundred seven thousand, five hundred forty".