2758222 has 4 divisors (see below), whose sum is σ = 4137336. Its totient is φ = 1379110.

The previous prime is 2758213. The next prime is 2758241. The reversal of 2758222 is 2228572.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689554 + ... + 689557.

It is an arithmetic number, because the mean of its divisors is an integer number (1034334).

2^2758222 is an apocalyptic number.

2758222 is a deficient number, since it is larger than the sum of its proper divisors (1379114).

2758222 is a wasteful number, since it uses less digits than its factorization.

2758222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379113.

The product of its digits is 4480, while the sum is 28.

The square root of 2758222 is about 1660.7895712582. The cubic root of 2758222 is about 140.2414540798.

The spelling of 2758222 in words is "two million, seven hundred fifty-eight thousand, two hundred twenty-two".