2221011092 has 6 divisors (see below), whose sum is σ = 3886769418. Its totient is φ = 1110505544.

The previous prime is 2221011043. The next prime is 2221011101. The reversal of 2221011092 is 2901101222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1292833936 + 928177156 = 35956^2 + 30466^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277626383 + ... + 277626390.

It is an arithmetic number, because the mean of its divisors is an integer number (647794903).

Almost surely, 2^2221011092 is an apocalyptic number.

It is an amenable number.

2221011092 is a deficient number, since it is larger than the sum of its proper divisors (1665758326).

2221011092 is a wasteful number, since it uses less digits than its factorization.

2221011092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555252777 (or 555252775 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2221011092 is about 47127.6043524387. The cubic root of 2221011092 is about 1304.7187665822.

The spelling of 2221011092 in words is "two billion, two hundred twenty-one million, eleven thousand, ninety-two".