201229958 has 4 divisors (see below), whose sum is σ = 301844940. Its totient is φ = 100614978.

The previous prime is 201229957. The next prime is 201229961. The reversal of 201229958 is 859922102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201229957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50307488 + ... + 50307491.

It is an arithmetic number, because the mean of its divisors is an integer number (75461235).

Almost surely, 2^201229958 is an apocalyptic number.

201229958 is a deficient number, since it is larger than the sum of its proper divisors (100614982).

201229958 is a wasteful number, since it uses less digits than its factorization.

201229958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100614981.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 201229958 is about 14185.5545538410. The cubic root of 201229958 is about 585.9999048717. Note that the first 4 decimals are identical.

The spelling of 201229958 in words is "two hundred one million, two hundred twenty-nine thousand, nine hundred fifty-eight".