2252400146 has 4 divisors (see below), whose sum is σ = 3378600222. Its totient is φ = 1126200072.

The previous prime is 2252400119. The next prime is 2252400169. The reversal of 2252400146 is 6410042522.

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., 2123827225 + 128572921 = 46085^2 + 11339^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563100035 + ... + 563100038.

Almost surely, 2^2252400146 is an apocalyptic number.

2252400146 is a deficient number, since it is larger than the sum of its proper divisors (1126200076).

2252400146 is a wasteful number, since it uses less digits than its factorization.

2252400146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126200075.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2252400146 is about 47459.4579193652. The cubic root of 2252400146 is about 1310.8364694497.

Adding to 2252400146 its reverse (6410042522), we get a palindrome (8662442668).

The spelling of 2252400146 in words is "two billion, two hundred fifty-two million, four hundred thousand, one hundred forty-six".