2211542774 has 12 divisors (see below), whose sum is σ = 3858916644. Its totient is φ = 947804004.

The previous prime is 2211542771. The next prime is 2211542777. The reversal of 2211542774 is 4772451122.

It is an interprime number because it is at equal distance from previous prime (2211542771) and next prime (2211542777).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211542771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11283284 + ... + 11283479.

It is an arithmetic number, because the mean of its divisors is an integer number (321576387).

Almost surely, 2^2211542774 is an apocalyptic number.

2211542774 is a deficient number, since it is larger than the sum of its proper divisors (1647373870).

2211542774 is a wasteful number, since it uses less digits than its factorization.

2211542774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22566779 (or 22566772 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2211542774 is about 47027.0430071890. The cubic root of 2211542774 is about 1302.8620914088.

Adding to 2211542774 its reverse (4772451122), we get a palindrome (6983993896).

The spelling of 2211542774 in words is "two billion, two hundred eleven million, five hundred forty-two thousand, seven hundred seventy-four".