1025442223 has 8 divisors (see below), whose sum is σ = 1105274016. Its totient is φ = 945746400.

The previous prime is 1025442181. The next prime is 1025442239. The reversal of 1025442223 is 3222445201.

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 1025442223 - 2¹³ = 1025434031 is a prime.

It is a super-2 number, since 2×1025442223² = 2103063505422363458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025442263) 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, 18043 + ... + 48748.

It is an arithmetic number, because the mean of its divisors is an integer number (138159252).

Almost surely, 2^1025442223 is an apocalyptic number.

1025442223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1025442223 is a deficient number, since it is larger than the sum of its proper divisors (79831793).

1025442223 is a wasteful number, since it uses less digits than its factorization.

1025442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67985.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1025442223 is about 32022.5268053600. The cubic root of 1025442223 is about 1008.4098177046.

Adding to 1025442223 its reverse (3222445201), we get a palindrome (4247887424).

The spelling of 1025442223 in words is "one billion, twenty-five million, four hundred forty-two thousand, two hundred twenty-three".