1487022205 has 4 divisors (see below), whose sum is σ = 1784426652. Its totient is φ = 1189617760.

The previous prime is 1487022169. The next prime is 1487022209. The reversal of 1487022205 is 5022207841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 457189924 + 1029832281 = 21382^2 + 32091^2 .

It is not a de Polignac number, because 1487022205 - 2¹⁵ = 1486989437 is a prime.

It is a super-2 number, since 2×1487022205² = 4422470076326124050, 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 (1487022209) 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, 148702216 + ... + 148702225.

It is an arithmetic number, because the mean of its divisors is an integer number (446106663).

Almost surely, 2^1487022205 is an apocalyptic number.

It is an amenable number.

1487022205 is a deficient number, since it is larger than the sum of its proper divisors (297404447).

1487022205 is an equidigital number, since it uses as much as digits as its factorization.

1487022205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297404446.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1487022205 is about 38561.9268839097. The cubic root of 1487022205 is about 1141.4033719881.

The spelling of 1487022205 in words is "one billion, four hundred eighty-seven million, twenty-two thousand, two hundred five".