2211534402 has 64 divisors (see below), whose sum is σ = 5556722688. Its totient is φ = 570024000.

The previous prime is 2211534401. The next prime is 2211534421. The reversal of 2211534402 is 2044351122.

It is a super-2 number, since 2×2211534402² = 9781768822458995208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211534401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42252 + ... + 78792.

It is an arithmetic number, because the mean of its divisors is an integer number (86823792).

Almost surely, 2^2211534402 is an apocalyptic number.

2211534402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211534402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778361344).

2211534402 is an abundant number, since it is smaller than the sum of its proper divisors (3345188286).

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

2211534402 is a wasteful number, since it uses less digits than its factorization.

2211534402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36695.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2211534402 is about 47026.9539944913. The cubic root of 2211534402 is about 1302.8604473717.

Adding to 2211534402 its reverse (2044351122), we get a palindrome (4255885524).

The spelling of 2211534402 in words is "two billion, two hundred eleven million, five hundred thirty-four thousand, four hundred two".