101780022 has 8 divisors (see below), whose sum is σ = 203560056. Its totient is φ = 33926672.

The previous prime is 101780009. The next prime is 101780047. The reversal of 101780022 is 220087101.

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

101780022 is an admirable number.

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, 8481663 + ... + 8481674.

It is an arithmetic number, because the mean of its divisors is an integer number (25445007).

Almost surely, 2^101780022 is an apocalyptic number.

101780022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101780022 is a wasteful number, since it uses less digits than its factorization.

101780022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16963342.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 101780022 is about 10088.6085264520. The cubic root of 101780022 is about 466.8967456167.

The spelling of 101780022 in words is "one hundred one million, seven hundred eighty thousand, twenty-two".