23277222 has 12 divisors (see below), whose sum is σ = 50434020. Its totient is φ = 7759068.

The previous prime is 23277193. The next prime is 23277239. The reversal of 23277222 is 22277232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 646572 + ... + 646607.

It is an arithmetic number, because the mean of its divisors is an integer number (4202835).

Almost surely, 2^23277222 is an apocalyptic number.

23277222 is an abundant number, since it is smaller than the sum of its proper divisors (27156798).

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

23277222 is a wasteful number, since it uses less digits than its factorization.

23277222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293187 (or 1293184 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 23277222 is about 4824.6473446253. The cubic root of 23277222 is about 285.5247212326.

The spelling of 23277222 in words is "twenty-three million, two hundred seventy-seven thousand, two hundred twenty-two".