2222151 has 4 divisors (see below), whose sum is σ = 2962872. Its totient is φ = 1481432.

The previous prime is 2222147. The next prime is 2222167. The reversal of 2222151 is 1512222.

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

It is a cyclic number.

It is not a de Polignac number, because 2222151 - 2² = 2222147 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222141) 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, 370356 + ... + 370361.

It is an arithmetic number, because the mean of its divisors is an integer number (740718).

2^2222151 is an apocalyptic number.

2222151 is a deficient number, since it is larger than the sum of its proper divisors (740721).

2222151 is an equidigital number, since it uses as much as digits as its factorization.

2222151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740720.

The product of its digits is 80, while the sum is 15.

The square root of 2222151 is about 1490.6880961489. The cubic root of 2222151 is about 130.4941938962.

Adding to 2222151 its reverse (1512222), we get a palindrome (3734373).

The spelling of 2222151 in words is "two million, two hundred twenty-two thousand, one hundred fifty-one".