1442166201 has 80 divisors (see below), whose sum is σ = 2564812800. Its totient is φ = 790134912.

The previous prime is 1442166197. The next prime is 1442166203. The reversal of 1442166201 is 1026612441.

1442166201 is a `hidden beast` number, since 1 + 442 + 16 + 6 + 201 = 666.

It is not a de Polignac number, because 1442166201 - 2² = 1442166197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1442166203) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3765256 + ... + 3765638.

It is an arithmetic number, because the mean of its divisors is an integer number (32060160).

Almost surely, 2^1442166201 is an apocalyptic number.

It is an amenable number.

1442166201 is a deficient number, since it is larger than the sum of its proper divisors (1122646599).

1442166201 is a wasteful number, since it uses less digits than its factorization.

1442166201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1442166201 is about 37975.8634003231. The cubic root of 1442166201 is about 1129.8091935121.

Adding to 1442166201 its reverse (1026612441), we get a palindrome (2468778642).

The spelling of 1442166201 in words is "one billion, four hundred forty-two million, one hundred sixty-six thousand, two hundred one".