102017422 has 32 divisors (see below), whose sum is σ = 175341600. Its totient is φ = 44126208.

The previous prime is 102017393. The next prime is 102017423. The reversal of 102017422 is 224710201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 102017422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102017423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46854 + ... + 48982.

It is an arithmetic number, because the mean of its divisors is an integer number (5479425).

Almost surely, 2^102017422 is an apocalyptic number.

102017422 is a deficient number, since it is larger than the sum of its proper divisors (73324178).

102017422 is a wasteful number, since it uses less digits than its factorization.

102017422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 102017422 is about 10100.3674190596. The cubic root of 102017422 is about 467.2594730568.

Adding to 102017422 its reverse (224710201), we get a palindrome (326727623).

The spelling of 102017422 in words is "one hundred two million, seventeen thousand, four hundred twenty-two".