2221299 has 6 divisors (see below), whose sum is σ = 3208556. Its totient is φ = 1480860.

The previous prime is 2221273. The next prime is 2221301. The reversal of 2221299 is 9921222.

It is not a de Polignac number, because 2221299 - 2⁹ = 2220787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123397 + ... + 123414.

2^2221299 is an apocalyptic number.

2221299 is a deficient number, since it is larger than the sum of its proper divisors (987257).

2221299 is a wasteful number, since it uses less digits than its factorization.

2221299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246817 (or 246814 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2221299 is about 1490.4022946842. The cubic root of 2221299 is about 130.4775140718.

It can be divided in two parts, 222 and 1299, that added together give a square (1521 = 39²).

The spelling of 2221299 in words is "two million, two hundred twenty-one thousand, two hundred ninety-nine".