221034054 has 8 divisors (see below), whose sum is σ = 442068120. Its totient is φ = 73678016.

The previous prime is 221034043. The next prime is 221034059. The reversal of 221034054 is 450430122.

221034054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

221034054 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 221034054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221034059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18419499 + ... + 18419510.

It is an arithmetic number, because the mean of its divisors is an integer number (55258515).

Almost surely, 2^221034054 is an apocalyptic number.

221034054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221034054 is a wasteful number, since it uses less digits than its factorization.

221034054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36839014.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 221034054 is about 14867.2140631660. The cubic root of 221034054 is about 604.6254120883.

Adding to 221034054 its reverse (450430122), we get a palindrome (671464176).

The spelling of 221034054 in words is "two hundred twenty-one million, thirty-four thousand, fifty-four".