5451223222 has 4 divisors (see below), whose sum is σ = 8176834836. Its totient is φ = 2725611610.

The previous prime is 5451223199. The next prime is 5451223229. The reversal of 5451223222 is 2223221545.

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

It is a super-2 number, since 2×5451223222² = 59431669232144122568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451223229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362805804 + ... + 1362805807.

It is an arithmetic number, because the mean of its divisors is an integer number (2044208709).

Almost surely, 2^5451223222 is an apocalyptic number.

5451223222 is a deficient number, since it is larger than the sum of its proper divisors (2725611614).

5451223222 is a wasteful number, since it uses less digits than its factorization.

5451223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725611613.

The product of its digits is 9600, while the sum is 28.

The square root of 5451223222 is about 73832.3995411229. The cubic root of 5451223222 is about 1759.9405134422.

Adding to 5451223222 its reverse (2223221545), we get a palindrome (7674444767).

The spelling of 5451223222 in words is "five billion, four hundred fifty-one million, two hundred twenty-three thousand, two hundred twenty-two".