221432265673315 has 32 divisors (see below), whose sum is σ = 272482191012096. Its totient is φ = 172680735427200.

The previous prime is 221432265673303. The next prime is 221432265673351. The reversal of 221432265673315 is 513376562234122.

It is not a de Polignac number, because 221432265673315 - 2¹³ = 221432265665123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131643340 + ... + 133314790.

It is an arithmetic number, because the mean of its divisors is an integer number (8515068469128).

Almost surely, 2^{221432265673315} is an apocalyptic number.

221432265673315 is a deficient number, since it is larger than the sum of its proper divisors (51049925338781).

221432265673315 is a wasteful number, since it uses less digits than its factorization.

221432265673315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674739.

The product of its digits is 10886400, while the sum is 52.

The spelling of 221432265673315 in words is "two hundred twenty-one trillion, four hundred thirty-two billion, two hundred sixty-five million, six hundred seventy-three thousand, three hundred fifteen".