221074108 has 6 divisors (see below), whose sum is σ = 386879696. Its totient is φ = 110537052.

The previous prime is 221074093. The next prime is 221074109. The reversal of 221074108 is 801470122.

It is a happy number.

It is a super-2 number, since 2×221074108² = 97747522455991328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221074109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27634260 + ... + 27634267.

Almost surely, 2^221074108 is an apocalyptic number.

It is an amenable number.

221074108 is a deficient number, since it is larger than the sum of its proper divisors (165805588).

221074108 is a wasteful number, since it uses less digits than its factorization.

221074108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55268531 (or 55268529 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 221074108 is about 14868.5610601699. The cubic root of 221074108 is about 604.6619316549.

The spelling of 221074108 in words is "two hundred twenty-one million, seventy-four thousand, one hundred eight".