23214228 has 12 divisors (see below), whose sum is σ = 54166560. Its totient is φ = 7738072.

The previous prime is 23214223. The next prime is 23214259. The reversal of 23214228 is 82241232.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23214198 and 23214207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23214223) 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, 967248 + ... + 967271.

It is an arithmetic number, because the mean of its divisors is an integer number (4513880).

Almost surely, 2^23214228 is an apocalyptic number.

It is an amenable number.

23214228 is an abundant number, since it is smaller than the sum of its proper divisors (30952332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23214228 is a wasteful number, since it uses less digits than its factorization.

23214228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934526 (or 1934524 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 23214228 is about 4818.1145689990. The cubic root of 23214228 is about 285.2669213698.

The spelling of 23214228 in words is "twenty-three million, two hundred fourteen thousand, two hundred twenty-eight".