1047225469 has 8 divisors (see below), whose sum is σ = 1058827320. Its totient is φ = 1035648000.

The previous prime is 1047225433. The next prime is 1047225479. The reversal of 1047225469 is 9645227401.

It can be written as a sum of positive squares in 4 ways, for example, as 1996569 + 1045228900 = 1413^2 + 32330^2 .

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 1047225469 - 2⁷ = 1047225341 is a prime.

It is a super-2 number, since 2×1047225469² = 2193362365844539922, 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 (1047225419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88249 + ... + 99409.

It is an arithmetic number, because the mean of its divisors is an integer number (132353415).

Almost surely, 2^1047225469 is an apocalyptic number.

It is an amenable number.

1047225469 is a deficient number, since it is larger than the sum of its proper divisors (11601851).

1047225469 is a wasteful number, since it uses less digits than its factorization.

1047225469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1047225469 is about 32360.8632301427. The cubic root of 1047225469 is about 1015.5003216595.

The spelling of 1047225469 in words is "one billion, forty-seven million, two hundred twenty-five thousand, four hundred sixty-nine".