202227149 has 4 divisors (see below), whose sum is σ = 204229500. Its totient is φ = 200224800.

The previous prime is 202227133. The next prime is 202227169. The reversal of 202227149 is 941722202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192709924 + 9517225 = 13882^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 202227149 - 2⁴ = 202227133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202227119) 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, 1001024 + ... + 1001225.

It is an arithmetic number, because the mean of its divisors is an integer number (51057375).

Almost surely, 2^202227149 is an apocalyptic number.

It is an amenable number.

202227149 is a deficient number, since it is larger than the sum of its proper divisors (2002351).

202227149 is a wasteful number, since it uses less digits than its factorization.

202227149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002350.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 202227149 is about 14220.6592322578. The cubic root of 202227149 is about 586.9662805783.

The spelling of 202227149 in words is "two hundred two million, two hundred twenty-seven thousand, one hundred forty-nine".