215542105222 has 32 divisors (see below), whose sum is σ = 352993207392. Its totient is φ = 98318697984.

The previous prime is 215542105189. The next prime is 215542105271. The reversal of 215542105222 is 222501245512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570993 + ... + 870124.

It is an arithmetic number, because the mean of its divisors is an integer number (11031037731).

Almost surely, 2^215542105222 is an apocalyptic number.

215542105222 is a deficient number, since it is larger than the sum of its proper divisors (137451102170).

215542105222 is a wasteful number, since it uses less digits than its factorization.

215542105222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441272.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 215542105222 in words is "two hundred fifteen billion, five hundred forty-two million, one hundred five thousand, two hundred twenty-two".