2211495949 has 32 divisors (see below), whose sum is σ = 2693053440. Its totient is φ = 1795046400.

The previous prime is 2211495947. The next prime is 2211495953. The reversal of 2211495949 is 9495941122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211495949 - 2¹ = 2211495947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211495899 and 2211495908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211495947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193114 + ... + 204244.

It is an arithmetic number, because the mean of its divisors is an integer number (84157920).

Almost surely, 2^2211495949 is an apocalyptic number.

2211495949 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2211495949 is a deficient number, since it is larger than the sum of its proper divisors (481557491).

2211495949 is a wasteful number, since it uses less digits than its factorization.

2211495949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221.

The product of its digits is 233280, while the sum is 46.

The square root of 2211495949 is about 47026.5451527114. The cubic root of 2211495949 is about 1302.8528961766.

The spelling of 2211495949 in words is "two billion, two hundred eleven million, four hundred ninety-five thousand, nine hundred forty-nine".