222420067388 has 12 divisors (see below), whose sum is σ = 389805013080. Its totient is φ = 111047206512.

The previous prime is 222420067379. The next prime is 222420067391. The reversal of 222420067388 is 883760024222.

222420067388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222420067388² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40703723 + ... + 40709186.

It is an arithmetic number, because the mean of its divisors is an integer number (32483751090).

Almost surely, 2^222420067388 is an apocalyptic number.

It is an amenable number.

222420067388 is a deficient number, since it is larger than the sum of its proper divisors (167384945692).

222420067388 is a wasteful number, since it uses less digits than its factorization.

222420067388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81413596 (or 81413594 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 222420067388 in words is "two hundred twenty-two billion, four hundred twenty million, sixty-seven thousand, three hundred eighty-eight".