202226490649 has 32 divisors (see below), whose sum is σ = 210334924800. Its totient is φ = 194310809280.

The previous prime is 202226490617. The next prime is 202226490659. The reversal of 202226490649 is 946094622202.

It is a cyclic number.

It is not a de Polignac number, because 202226490649 - 2⁵ = 202226490617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202226490599 and 202226490608.

It is not an unprimeable number, because it can be changed into a prime (202226490659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528006312 + ... + 528006694.

It is an arithmetic number, because the mean of its divisors is an integer number (6572966400).

Almost surely, 2^202226490649 is an apocalyptic number.

It is an amenable number.

202226490649 is a deficient number, since it is larger than the sum of its proper divisors (8108434151).

202226490649 is a wasteful number, since it uses less digits than its factorization.

202226490649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 202226490649 in words is "two hundred two billion, two hundred twenty-six million, four hundred ninety thousand, six hundred forty-nine".