201667122 has 24 divisors (see below), whose sum is σ = 443102400. Its totient is φ = 66275160.

The previous prime is 201667111. The next prime is 201667139. The reversal of 201667122 is 221766102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77622 + ... + 80177.

It is an arithmetic number, because the mean of its divisors is an integer number (18462600).

Almost surely, 2^201667122 is an apocalyptic number.

201667122 is an abundant number, since it is smaller than the sum of its proper divisors (241435278).

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

201667122 is a wasteful number, since it uses less digits than its factorization.

201667122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157878 (or 157875 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 201667122 is about 14200.9549678886. The cubic root of 201667122 is about 586.4239516958.

The spelling of 201667122 in words is "two hundred one million, six hundred sixty-seven thousand, one hundred twenty-two".