2225433421 has 4 divisors (see below), whose sum is σ = 2238297372. Its totient is φ = 2212569472.

The previous prime is 2225433391. The next prime is 2225433473. The reversal of 2225433421 is 1243345222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1083331396 + 1142102025 = 32914^2 + 33795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225433421 - 2⁵ = 2225433389 is a prime.

It is a super-2 number, since 2×2225433421² = 9905107822607526482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2225433421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220433421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6431716 + ... + 6432061.

It is an arithmetic number, because the mean of its divisors is an integer number (559574343).

Almost surely, 2^2225433421 is an apocalyptic number.

It is an amenable number.

2225433421 is a deficient number, since it is larger than the sum of its proper divisors (12863951).

2225433421 is a wasteful number, since it uses less digits than its factorization.

2225433421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12863950.

The product of its digits is 11520, while the sum is 28.

The square root of 2225433421 is about 47174.4996899808. The cubic root of 2225433421 is about 1305.5841487718.

Adding to 2225433421 its reverse (1243345222), we get a palindrome (3468778643).

The spelling of 2225433421 in words is "two billion, two hundred twenty-five million, four hundred thirty-three thousand, four hundred twenty-one".