1225132022 has 4 divisors (see below), whose sum is σ = 1837698036. Its totient is φ = 612566010.

The previous prime is 1225132001. The next prime is 1225132039. The reversal of 1225132022 is 2202315221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2202315221 = 37 ⋅59522033.

It is a junction number, because it is equal to n+sod(n) for n = 1225131985 and 1225132003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306283004 + ... + 306283007.

It is an arithmetic number, because the mean of its divisors is an integer number (459424509).

Almost surely, 2^1225132022 is an apocalyptic number.

1225132022 is a deficient number, since it is larger than the sum of its proper divisors (612566014).

1225132022 is an equidigital number, since it uses as much as digits as its factorization.

1225132022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612566013.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1225132022 is about 35001.8859777584. The cubic root of 1225132022 is about 1070.0259177930.

Adding to 1225132022 its reverse (2202315221), we get a palindrome (3427447243).

The spelling of 1225132022 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, twenty-two".