221412436272475 has 24 divisors (see below), whose sum is σ = 313774539945728. Its totient is φ = 151824950877600.

The previous prime is 221412436272473. The next prime is 221412436272527. The reversal of 221412436272475 is 574272634214122.

It is not a de Polignac number, because 221412436272475 - 2¹ = 221412436272473 is a prime.

It is a super-2 number, since 2×221412436272475² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221412436272473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35426410 + ... + 41205040.

Almost surely, 2^{221412436272475} is an apocalyptic number.

221412436272475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

221412436272475 is a deficient number, since it is larger than the sum of its proper divisors (92362103673253).

221412436272475 is a wasteful number, since it uses less digits than its factorization.

221412436272475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997595 (or 5997590 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 52.

The spelling of 221412436272475 in words is "two hundred twenty-one trillion, four hundred twelve billion, four hundred thirty-six million, two hundred seventy-two thousand, four hundred seventy-five".