2221000153 has 4 divisors (see below), whose sum is σ = 2221097488. Its totient is φ = 2220902820.

The previous prime is 2221000151. The next prime is 2221000169. The reversal of 2221000153 is 3510001222.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2221000153 - 2¹ = 2221000151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221000151) 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, 6118 + ... + 66928.

It is an arithmetic number, because the mean of its divisors is an integer number (555274372).

Almost surely, 2^2221000153 is an apocalyptic number.

It is an amenable number.

2221000153 is a deficient number, since it is larger than the sum of its proper divisors (97335).

2221000153 is an equidigital number, since it uses as much as digits as its factorization.

2221000153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97334.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2221000153 is about 47127.4882950492. The cubic root of 2221000153 is about 1304.7166245635.

Adding to 2221000153 its reverse (3510001222), we get a palindrome (5731001375).

The spelling of 2221000153 in words is "two billion, two hundred twenty-one million, one hundred fifty-three", and thus it is an aban number.