1225622522 has 8 divisors (see below), whose sum is σ = 1838823456. Its totient is φ = 612681372.

The previous prime is 1225622513. The next prime is 1225622527. The reversal of 1225622522 is 2252265221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1225622527) 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, 52688 + ... + 72299.

It is an arithmetic number, because the mean of its divisors is an integer number (229852932).

Almost surely, 2^1225622522 is an apocalyptic number.

1225622522 is a deficient number, since it is larger than the sum of its proper divisors (613200934).

1225622522 is a wasteful number, since it uses less digits than its factorization.

1225622522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129892.

The product of its digits is 9600, while the sum is 29.

The square root of 1225622522 is about 35008.8920418799. The cubic root of 1225622522 is about 1070.1686990540.

Adding to 1225622522 its reverse (2252265221), we get a palindrome (3477887743).

The spelling of 1225622522 in words is "one billion, two hundred twenty-five million, six hundred twenty-two thousand, five hundred twenty-two".