2750222 has 4 divisors (see below), whose sum is σ = 4125336. Its totient is φ = 1375110.

The previous prime is 2750219. The next prime is 2750249. The reversal of 2750222 is 2220572.

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

It is a junction number, because it is equal to n+sod(n) for n = 2750194 and 2750203.

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 as a sum of consecutive naturals, namely, 687554 + ... + 687557.

It is an arithmetic number, because the mean of its divisors is an integer number (1031334).

2^2750222 is an apocalyptic number.

2750222 is a deficient number, since it is larger than the sum of its proper divisors (1375114).

2750222 is a wasteful number, since it uses less digits than its factorization.

2750222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375113.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2750222 is about 1658.3793293454. The cubic root of 2750222 is about 140.1057364479.

Adding to 2750222 its reverse (2220572), we get a palindrome (4970794).

The spelling of 2750222 in words is "two million, seven hundred fifty thousand, two hundred twenty-two".