10219489 has 12 divisors (see below), whose sum is σ = 12055044. Its totient is φ = 8636544.

The previous prime is 10219487. The next prime is 10219493. The reversal of 10219489 is 98491201.

It can be written as a sum of positive squares in 2 ways, for example, as 6350400 + 3869089 = 2520^2 + 1967^2 .

It is not a de Polignac number, because 10219489 - 2¹ = 10219487 is a prime.

It is a super-2 number, since 2×10219489² = 208875910842242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10219487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2149 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (1004587).

Almost surely, 2^10219489 is an apocalyptic number.

It is an amenable number.

10219489 is a deficient number, since it is larger than the sum of its proper divisors (1835555).

10219489 is an equidigital number, since it uses as much as digits as its factorization.

10219489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 10219489 is about 3196.7935497933. The cubic root of 10219489 is about 217.0083243425.

It can be divided in two parts, 102 and 19489, that added together give a palindrome (19591).

The spelling of 10219489 in words is "ten million, two hundred nineteen thousand, four hundred eighty-nine".