201570422 has 8 divisors (see below), whose sum is σ = 302560272. Its totient is φ = 100717000.

The previous prime is 201570419. The next prime is 201570443. The reversal of 201570422 is 224075102.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30329 + ... + 36372.

It is an arithmetic number, because the mean of its divisors is an integer number (37820034).

Almost surely, 2^201570422 is an apocalyptic number.

201570422 is a deficient number, since it is larger than the sum of its proper divisors (100989850).

201570422 is a wasteful number, since it uses less digits than its factorization.

201570422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68214.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 201570422 is about 14197.5498590426. The cubic root of 201570422 is about 586.3302060194.

The spelling of 201570422 in words is "two hundred one million, five hundred seventy thousand, four hundred twenty-two".