221411706474454 has 8 divisors (see below), whose sum is σ = 332125015956480. Its totient is φ = 110703367822296.

The previous prime is 221411706474443. The next prime is 221411706474461. The reversal of 221411706474454 is 454474607114122.

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

It is a congruent number.

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, 1242596109 + ... + 1242774280.

It is an arithmetic number, because the mean of its divisors is an integer number (41515626994560).

Almost surely, 2^{221411706474454} is an apocalyptic number.

221411706474454 is a deficient number, since it is larger than the sum of its proper divisors (110713309482026).

221411706474454 is a wasteful number, since it uses less digits than its factorization.

221411706474454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485414934.

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 221411706474454 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred six million, four hundred seventy-four thousand, four hundred fifty-four".