1025222497 has 8 divisors (see below), whose sum is σ = 1104543720. Its totient is φ = 945966720.

The previous prime is 1025222491. The next prime is 1025222521. The reversal of 1025222497 is 7942225201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 133841761 + 891380736 = 11569^2 + 29856^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1025222497 - 2²⁷ = 891004769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025222491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19029 + ... + 49117.

It is an arithmetic number, because the mean of its divisors is an integer number (138067965).

Almost surely, 2^1025222497 is an apocalyptic number.

It is an amenable number.

1025222497 is a deficient number, since it is larger than the sum of its proper divisors (79321223).

1025222497 is a wasteful number, since it uses less digits than its factorization.

1025222497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32723.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1025222497 is about 32019.0958179646. The cubic root of 1025222497 is about 1008.3377870957.

Adding to 1025222497 its reverse (7942225201), we get a palindrome (8967447698).

The spelling of 1025222497 in words is "one billion, twenty-five million, two hundred twenty-two thousand, four hundred ninety-seven".