229620651 has 16 divisors (see below), whose sum is σ = 331627296. Its totient is φ = 140484096.

The previous prime is 229620617. The next prime is 229620659. The reversal of 229620651 is 156026922.

It is not a de Polignac number, because 229620651 - 2²³ = 221232043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229620659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10270 + ... + 23763.

It is an arithmetic number, because the mean of its divisors is an integer number (20726706).

Almost surely, 2^229620651 is an apocalyptic number.

229620651 is a deficient number, since it is larger than the sum of its proper divisors (102006645).

229620651 is a wasteful number, since it uses less digits than its factorization.

229620651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34222.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 229620651 is about 15153.2389606975. The cubic root of 229620651 is about 612.3555353308.

The spelling of 229620651 in words is "two hundred twenty-nine million, six hundred twenty thousand, six hundred fifty-one".