1612225546 has 4 divisors (see below), whose sum is σ = 2418338322. Its totient is φ = 806112772.

The previous prime is 1612225523. The next prime is 1612225591. The reversal of 1612225546 is 6455222161.

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

It can be written as a sum of positive squares in only one way, i.e., 1593207225 + 19018321 = 39915^2 + 4361^2 .

It is a super-2 number, since 2×1612225546² = 5198542422349996232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403056385 + ... + 403056388.

Almost surely, 2^1612225546 is an apocalyptic number.

1612225546 is a deficient number, since it is larger than the sum of its proper divisors (806112776).

1612225546 is an equidigital number, since it uses as much as digits as its factorization.

1612225546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806112775.

The product of its digits is 28800, while the sum is 34.

The square root of 1612225546 is about 40152.5285131584. The cubic root of 1612225546 is about 1172.5785160254.

The spelling of 1612225546 in words is "one billion, six hundred twelve million, two hundred twenty-five thousand, five hundred forty-six".