201455922 has 8 divisors (see below), whose sum is σ = 402911856. Its totient is φ = 67151972.

The previous prime is 201455921. The next prime is 201455923. The reversal of 201455922 is 229554102.

It is an interprime number because it is at equal distance from previous prime (201455921) and next prime (201455923).

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

201455922 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 201455922.

It is not an unprimeable number, because it can be changed into a prime (201455921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16787988 + ... + 16787999.

It is an arithmetic number, because the mean of its divisors is an integer number (50363982).

Almost surely, 2^201455922 is an apocalyptic number.

201455922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201455922 is a wasteful number, since it uses less digits than its factorization.

201455922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33575992.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 201455922 is about 14193.5169003316. The cubic root of 201455922 is about 586.2191653821.

The spelling of 201455922 in words is "two hundred one million, four hundred fifty-five thousand, nine hundred twenty-two".