350821229 has 6 divisors (see below), whose sum is σ = 385613550. Its totient is φ = 318928280.

The previous prime is 350821217. The next prime is 350821249. The reversal of 350821229 is 922128053.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 342324004 + 8497225 = 18502^2 + 2915^2 .

It is not a de Polignac number, because 350821229 - 2¹⁶ = 350755693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 350821195 and 350821204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350821249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449554 + ... + 1449795.

It is an arithmetic number, because the mean of its divisors is an integer number (64268925).

Almost surely, 2^350821229 is an apocalyptic number.

It is an amenable number.

350821229 is a deficient number, since it is larger than the sum of its proper divisors (34792321).

350821229 is a wasteful number, since it uses less digits than its factorization.

350821229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899371 (or 2899360 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 350821229 is about 18730.2223425137. Note that the first 3 decimals coincide. The cubic root of 350821229 is about 705.2806280149.

The spelling of 350821229 in words is "three hundred fifty million, eight hundred twenty-one thousand, two hundred twenty-nine".