212223141 has 24 divisors (see below), whose sum is σ = 347503520. Its totient is φ = 123723936.

The previous prime is 212223133. The next prime is 212223149. The reversal of 212223141 is 141322212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212223133) and next prime (212223149).

It is not a de Polignac number, because 212223141 - 2³ = 212223133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45511 + ... + 49956.

Almost surely, 2^212223141 is an apocalyptic number.

It is an amenable number.

212223141 is a deficient number, since it is larger than the sum of its proper divisors (135280379).

212223141 is a wasteful number, since it uses less digits than its factorization.

212223141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95505 (or 95502 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 212223141 is about 14567.8804566759. The cubic root of 212223141 is about 596.4823252441.

Adding to 212223141 its reverse (141322212), we get a palindrome (353545353).

The spelling of 212223141 in words is "two hundred twelve million, two hundred twenty-three thousand, one hundred forty-one".