101640422 has 8 divisors (see below), whose sum is σ = 164188416. Its totient is φ = 46910952.

The previous prime is 101640401. The next prime is 101640463. The reversal of 101640422 is 224046101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101640394 and 101640403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954598 + ... + 1954649.

It is an arithmetic number, because the mean of its divisors is an integer number (20523552).

Almost surely, 2^101640422 is an apocalyptic number.

101640422 is a deficient number, since it is larger than the sum of its proper divisors (62547994).

101640422 is a wasteful number, since it uses less digits than its factorization.

101640422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909262.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 101640422 is about 10081.6874579606. The cubic root of 101640422 is about 466.6831850162.

Adding to 101640422 its reverse (224046101), we get a palindrome (325686523).

The spelling of 101640422 in words is "one hundred one million, six hundred forty thousand, four hundred twenty-two".