2221953 has 4 divisors (see below), whose sum is σ = 2962608. Its totient is φ = 1481300.

The previous prime is 2221949. The next prime is 2221969. The reversal of 2221953 is 3591222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221953 - 2² = 2221949 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2221943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370323 + ... + 370328.

It is an arithmetic number, because the mean of its divisors is an integer number (740652).

2^2221953 is an apocalyptic number.

It is an amenable number.

2221953 is a deficient number, since it is larger than the sum of its proper divisors (740655).

2221953 is an equidigital number, since it uses as much as digits as its factorization.

2221953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740654.

The product of its digits is 1080, while the sum is 24.

The square root of 2221953 is about 1490.6216823862. The cubic root of 2221953 is about 130.4903179793.

The spelling of 2221953 in words is "two million, two hundred twenty-one thousand, nine hundred fifty-three".