220629 has 8 divisors (see below), whose sum is σ = 296352. Its totient is φ = 146000.

The previous prime is 220613. The next prime is 220663. The reversal of 220629 is 926022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220629 - 2⁴ = 220613 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220699) 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, 607 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (37044).

2²²⁰⁶²⁹ is an apocalyptic number.

It is an amenable number.

220629 is a deficient number, since it is larger than the sum of its proper divisors (75723).

220629 is a wasteful number, since it uses less digits than its factorization.

220629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 220629 is about 469.7116136525. The cubic root of 220629 is about 60.4255852602.

The spelling of 220629 in words is "two hundred twenty thousand, six hundred twenty-nine".