10221465 has 16 divisors (see below), whose sum is σ = 16623936. Its totient is φ = 5361600.

The previous prime is 10221461. The next prime is 10221467. The reversal of 10221465 is 56412201.

It is not a de Polignac number, because 10221465 - 2² = 10221461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221461) 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, 4671 + ... + 6500.

It is an arithmetic number, because the mean of its divisors is an integer number (1038996).

Almost surely, 2^10221465 is an apocalyptic number.

10221465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10221465 is a deficient number, since it is larger than the sum of its proper divisors (6402471).

10221465 is a wasteful number, since it uses less digits than its factorization.

10221465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10221465 is about 3197.1025945377. The cubic root of 10221465 is about 217.0223100651.

Adding to 10221465 its reverse (56412201), we get a palindrome (66633666).

The spelling of 10221465 in words is "ten million, two hundred twenty-one thousand, four hundred sixty-five".