221074034 has 4 divisors (see below), whose sum is σ = 331611054. Its totient is φ = 110537016.

The previous prime is 221074031. The next prime is 221074043. The reversal of 221074034 is 430470122.

221074034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187607809 + 33466225 = 13697^2 + 5785^2 .

It is not an unprimeable number, because it can be changed into a prime (221074031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55268507 + ... + 55268510.

Almost surely, 2^221074034 is an apocalyptic number.

221074034 is a deficient number, since it is larger than the sum of its proper divisors (110537020).

221074034 is a wasteful number, since it uses less digits than its factorization.

221074034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110537019.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 221074034 is about 14868.5585716975. The cubic root of 221074034 is about 604.6618641888.

The spelling of 221074034 in words is "two hundred twenty-one million, seventy-four thousand, thirty-four".