221677034 has 4 divisors (see below), whose sum is σ = 332515554. Its totient is φ = 110838516.

The previous prime is 221677033. The next prime is 221677067. The reversal of 221677034 is 430776122.

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., 220671025 + 1006009 = 14855^2 + 1003^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221677031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55419257 + ... + 55419260.

Almost surely, 2^221677034 is an apocalyptic number.

221677034 is a deficient number, since it is larger than the sum of its proper divisors (110838520).

221677034 is a wasteful number, since it uses less digits than its factorization.

221677034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110838519.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 221677034 is about 14888.8224517589. The cubic root of 221677034 is about 605.2111222742.

The spelling of 221677034 in words is "two hundred twenty-one million, six hundred seventy-seven thousand, thirty-four".