2221096 has 8 divisors (see below), whose sum is σ = 4164570. Its totient is φ = 1110544.

The previous prime is 2221069. The next prime is 2221097. The reversal of 2221096 is 6901222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 980100 = 1114^2 + 990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2221097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138811 + ... + 138826.

2^2221096 is an apocalyptic number.

It is an amenable number.

2221096 is a deficient number, since it is larger than the sum of its proper divisors (1943474).

2221096 is a wasteful number, since it uses less digits than its factorization.

2221096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277643 (or 277639 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2221096 is about 1490.3341907103. The cubic root of 2221096 is about 130.4735392591.

The spelling of 2221096 in words is "two million, two hundred twenty-one thousand, ninety-six".