141522221 has 8 divisors (see below), whose sum is σ = 144550560. Its totient is φ = 138525552.

The previous prime is 141522211. The next prime is 141522247. The reversal of 141522221 is 122225141.

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

It is a cyclic number.

It is not a de Polignac number, because 141522221 - 2²⁶ = 74413357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141522193 and 141522202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141522211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226 + ... + 16868.

It is an arithmetic number, because the mean of its divisors is an integer number (18068820).

Almost surely, 2^141522221 is an apocalyptic number.

It is an amenable number.

141522221 is a deficient number, since it is larger than the sum of its proper divisors (3028339).

141522221 is a wasteful number, since it uses less digits than its factorization.

141522221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15835.

The product of its digits is 320, while the sum is 20.

The square root of 141522221 is about 11896.3112350005. The cubic root of 141522221 is about 521.1245645107.

Adding to 141522221 its reverse (122225141), we get a palindrome (263747362).

The spelling of 141522221 in words is "one hundred forty-one million, five hundred twenty-two thousand, two hundred twenty-one".