215228071097194 has 8 divisors (see below), whose sum is σ = 322845061968900. Its totient is φ = 107613050440896.

The previous prime is 215228071097101. The next prime is 215228071097209. The reversal of 215228071097194 is 491790170822512.

It can be written as a sum of positive squares in 2 ways, for example, as 214482029492025 + 746041605169 = 14645205^2 + 863737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 492280719 + ... + 492717730.

Almost surely, 2^{215228071097194} is an apocalyptic number.

215228071097194 is a deficient number, since it is larger than the sum of its proper divisors (107616990871706).

215228071097194 is a wasteful number, since it uses less digits than its factorization.

215228071097194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985107704.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 215228071097194 in words is "two hundred fifteen trillion, two hundred twenty-eight billion, seventy-one million, ninety-seven thousand, one hundred ninety-four".