1332273994 has 4 divisors (see below), whose sum is σ = 1998410994. Its totient is φ = 666136996.

The previous prime is 1332273991. The next prime is 1332274001. The reversal of 1332273994 is 4993722331.

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 only one way, i.e., 1021633369 + 310640625 = 31963^2 + 17625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1332273994.

It is not an unprimeable number, because it can be changed into a prime (1332273991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333068497 + ... + 333068500.

Almost surely, 2^1332273994 is an apocalyptic number.

1332273994 is a deficient number, since it is larger than the sum of its proper divisors (666137000).

1332273994 is an equidigital number, since it uses as much as digits as its factorization.

1332273994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666136999.

The product of its digits is 244944, while the sum is 43.

The square root of 1332273994 is about 36500.3286834516. The cubic root of 1332273994 is about 1100.3508506169.

The spelling of 1332273994 in words is "one billion, three hundred thirty-two million, two hundred seventy-three thousand, nine hundred ninety-four".