201051222 has 16 divisors (see below), whose sum is σ = 403258800. Its totient is φ = 66824352.

The previous prime is 201051203. The next prime is 201051223. The reversal of 201051222 is 222150102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201051223) 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, 45913 + ... + 50100.

It is an arithmetic number, because the mean of its divisors is an integer number (25203675).

Almost surely, 2^201051222 is an apocalyptic number.

201051222 is an abundant number, since it is smaller than the sum of its proper divisors (202207578).

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

201051222 is a wasteful number, since it uses less digits than its factorization.

201051222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96367.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 201051222 is about 14179.2532243415. The cubic root of 201051222 is about 585.8263549925.

The spelling of 201051222 in words is "two hundred one million, fifty-one thousand, two hundred twenty-two".