65190422 has 8 divisors (see below), whose sum is σ = 106675272. Its totient is φ = 29632000.

The previous prime is 65190421. The next prime is 65190431. The reversal of 65190422 is 22409156.

It is a happy number.

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

It is a super-2 number, since 2×65190422² = 8499582241076168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65190421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481579 + ... + 1481622.

It is an arithmetic number, because the mean of its divisors is an integer number (13334409).

Almost surely, 2^65190422 is an apocalyptic number.

65190422 is a deficient number, since it is larger than the sum of its proper divisors (41484850).

65190422 is a wasteful number, since it uses less digits than its factorization.

65190422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963214.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 65190422 is about 8074.0585828937. The cubic root of 65190422 is about 402.4648262153.

Adding to 65190422 its reverse (22409156), we get a palindrome (87599578).

The spelling of 65190422 in words is "sixty-five million, one hundred ninety thousand, four hundred twenty-two".