222406535436 has 12 divisors (see below), whose sum is σ = 518948582712. Its totient is φ = 74135511808.

The previous prime is 222406535411. The next prime is 222406535467. The reversal of 222406535436 is 634535604222.

It is a tau number, because it is divible by the number of its divisors (12).

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, 9266938965 + ... + 9266938988.

It is an arithmetic number, because the mean of its divisors is an integer number (43245715226).

Almost surely, 2^222406535436 is an apocalyptic number.

It is an amenable number.

222406535436 is an abundant number, since it is smaller than the sum of its proper divisors (296542047276).

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

222406535436 is a wasteful number, since it uses less digits than its factorization.

222406535436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18533877960 (or 18533877958 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 222406535436 in words is "two hundred twenty-two billion, four hundred six million, five hundred thirty-five thousand, four hundred thirty-six".