10221601 has 16 divisors (see below), whose sum is σ = 11995200. Its totient is φ = 8624448.

The previous prime is 10221571. The next prime is 10221619. The reversal of 10221601 is 10612201.

10221601 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10221601 - 2¹⁵ = 10188833 is a prime.

It is a super-2 number, since 2×10221601² = 208962254006402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6450 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (749700).

Almost surely, 2^10221601 is an apocalyptic number.

It is an amenable number.

10221601 is a deficient number, since it is larger than the sum of its proper divisors (1773599).

10221601 is a wasteful number, since it uses less digits than its factorization.

10221601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 10221601 is about 3197.1238637250. The cubic root of 10221601 is about 217.0232725789.

Adding to 10221601 its reverse (10612201), we get a palindrome (20833802).

The spelling of 10221601 in words is "ten million, two hundred twenty-one thousand, six hundred one".