201422337601 has 3 divisors (see below), whose sum is σ = 201422786403. Its totient is φ = 201421888800.

The previous prime is 201422337547. The next prime is 201422337629. The reversal of 201422337601 is 106733224102.

It is a happy number.

The square root of 201422337601 is 448801.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 72253977601 + 129168360000 = 268801^2 + 359400^2 .

It is not a de Polignac number, because 201422337601 - 2¹¹ = 201422335553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201422337661) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 224401 + ... + 673201.

It is an arithmetic number, because the mean of its divisors is an integer number (67140928801).

Almost surely, 2^201422337601 is an apocalyptic number.

201422337601 is the 448801-st square number.

201422337601 is the 224401-st centered octagonal number.

It is an amenable number.

201422337601 is a deficient number, since it is larger than the sum of its proper divisors (448802).

201422337601 is an frugal number, since it uses more digits than its factorization.

201422337601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897602 (or 448801 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 201422337601 in words is "two hundred one billion, four hundred twenty-two million, three hundred thirty-seven thousand, six hundred one".