23221342 has 4 divisors (see below), whose sum is σ = 34832016. Its totient is φ = 11610670.

The previous prime is 23221327. The next prime is 23221349. The reversal of 23221342 is 24312232.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805334 + ... + 5805337.

It is an arithmetic number, because the mean of its divisors is an integer number (8708004).

Almost surely, 2^23221342 is an apocalyptic number.

23221342 is a deficient number, since it is larger than the sum of its proper divisors (11610674).

23221342 is a wasteful number, since it uses less digits than its factorization.

23221342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610673.

The product of its digits is 576, while the sum is 19.

The square root of 23221342 is about 4818.8527680351. The cubic root of 23221342 is about 285.2960584090.

Adding to 23221342 its reverse (24312232), we get a palindrome (47533574).

The spelling of 23221342 in words is "twenty-three million, two hundred twenty-one thousand, three hundred forty-two".