2211551416 has 16 divisors (see below), whose sum is σ = 4151476800. Its totient is φ = 1104490944.

The previous prime is 2211551413. The next prime is 2211551429. The reversal of 2211551416 is 6141551122.

It is a super-2 number, since 2×2211551416² = 9781919331223210112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211551411) 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, 153261 + ... + 167068.

It is an arithmetic number, because the mean of its divisors is an integer number (259467300).

Almost surely, 2^2211551416 is an apocalyptic number.

It is an amenable number.

2211551416 is a deficient number, since it is larger than the sum of its proper divisors (1939925384).

2211551416 is a wasteful number, since it uses less digits than its factorization.

2211551416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321198 (or 321194 counting only the distinct ones).

The product of its digits is 2400, while the sum is 28.

The square root of 2211551416 is about 47027.1348904013. The cubic root of 2211551416 is about 1302.8637884624.

The spelling of 2211551416 in words is "two billion, two hundred eleven million, five hundred fifty-one thousand, four hundred sixteen".