2211534522 has 64 divisors (see below), whose sum is σ = 5314429440. Its totient is φ = 679039488.

The previous prime is 2211534517. The next prime is 2211534557. The reversal of 2211534522 is 2254351122.

2211534522 is a `hidden beast` number, since 22 + 115 + 3 + 4 + 522 = 666.

2211534522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17518 + ... + 68774.

It is an arithmetic number, because the mean of its divisors is an integer number (83037960).

Almost surely, 2^2211534522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211534522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2657214720).

2211534522 is an abundant number, since it is smaller than the sum of its proper divisors (3102894918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211534522 is a wasteful number, since it uses less digits than its factorization.

2211534522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51332 (or 51326 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2211534522 is about 47026.9552703553. The cubic root of 2211534522 is about 1302.8604709365.

Adding to 2211534522 its reverse (2254351122), we get a palindrome (4465885644).

The spelling of 2211534522 in words is "two billion, two hundred eleven million, five hundred thirty-four thousand, five hundred twenty-two".