1469200221 has 16 divisors (see below), whose sum is σ = 2227213120. Its totient is φ = 956687760.

The previous prime is 1469200219. The next prime is 1469200223. The reversal of 1469200221 is 1220029641.

It is an interprime number because it is at equal distance from previous prime (1469200219) and next prime (1469200223).

It is not a de Polignac number, because 1469200221 - 2¹ = 1469200219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1469200223) 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, 631570 + ... + 633891.

It is an arithmetic number, because the mean of its divisors is an integer number (139200820).

Almost surely, 2^1469200221 is an apocalyptic number.

It is an amenable number.

1469200221 is a deficient number, since it is larger than the sum of its proper divisors (758012899).

1469200221 is a wasteful number, since it uses less digits than its factorization.

1469200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265513 (or 1265507 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1469200221 is about 38330.1476777745. The cubic root of 1469200221 is about 1136.8251205197.

Adding to 1469200221 its reverse (1220029641), we get a palindrome (2689229862).

The spelling of 1469200221 in words is "one billion, four hundred sixty-nine million, two hundred thousand, two hundred twenty-one".