222140666742 has 32 divisors (see below), whose sum is σ = 451691618400. Its totient is φ = 72821683200.

The previous prime is 222140666651. The next prime is 222140666749. The reversal of 222140666742 is 247666041222.

It is a junction number, because it is equal to n+sod(n) for n = 222140666694 and 222140666703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222140666749) 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, 1139803 + ... + 1320390.

It is an arithmetic number, because the mean of its divisors is an integer number (14115363075).

Almost surely, 2^222140666742 is an apocalyptic number.

222140666742 is an abundant number, since it is smaller than the sum of its proper divisors (229550951658).

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

222140666742 is a wasteful number, since it uses less digits than its factorization.

222140666742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460448.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 222140666742 in words is "two hundred twenty-two billion, one hundred forty million, six hundred sixty-six thousand, seven hundred forty-two".