201451560226 has 16 divisors (see below), whose sum is σ = 365659975296. Its totient is φ = 81257772096.

The previous prime is 201451560217. The next prime is 201451560229. The reversal of 201451560226 is 622065154102.

It is a super-2 number, since 2×201451560226² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 201451560191 and 201451560200.

It is not an unprimeable number, because it can be changed into a prime (201451560229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423217326 + ... + 423217801.

It is an arithmetic number, because the mean of its divisors is an integer number (22853748456).

Almost surely, 2^201451560226 is an apocalyptic number.

201451560226 is a deficient number, since it is larger than the sum of its proper divisors (164208415070).

201451560226 is a wasteful number, since it uses less digits than its factorization.

201451560226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846435153.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 201451560226 in words is "two hundred one billion, four hundred fifty-one million, five hundred sixty thousand, two hundred twenty-six".