221314629 has 8 divisors (see below), whose sum is σ = 298821760. Its totient is φ = 145675296.

The previous prime is 221314607. The next prime is 221314637. The reversal of 221314629 is 926413122.

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

It is not a de Polignac number, because 221314629 - 2¹² = 221310533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221314596 and 221314605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221314669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466672 + ... + 467145.

It is an arithmetic number, because the mean of its divisors is an integer number (37352720).

Almost surely, 2^221314629 is an apocalyptic number.

It is an amenable number.

221314629 is a deficient number, since it is larger than the sum of its proper divisors (77507131).

221314629 is an equidigital number, since it uses as much as digits as its factorization.

221314629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933899.

The product of its digits is 5184, while the sum is 30.

The square root of 221314629 is about 14876.6471020859. The cubic root of 221314629 is about 604.8811359499.

The spelling of 221314629 in words is "two hundred twenty-one million, three hundred fourteen thousand, six hundred twenty-nine".