2251214232434 has 4 divisors (see below), whose sum is σ = 3376821348654. Its totient is φ = 1125607116216.

The previous prime is 2251214232413. The next prime is 2251214232469. The reversal of 2251214232434 is 4342324121522.

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., 1984393429225 + 266820803209 = 1408685^2 + 516547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2251214232394 and 2251214232403.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 562803558107 + ... + 562803558110.

Almost surely, 2^{2251214232434} is an apocalyptic number.

2251214232434 is a deficient number, since it is larger than the sum of its proper divisors (1125607116220).

2251214232434 is a wasteful number, since it uses less digits than its factorization.

2251214232434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125607116219.

The product of its digits is 92160, while the sum is 35.

Adding to 2251214232434 its reverse (4342324121522), we get a palindrome (6593538353956).

The spelling of 2251214232434 in words is "two trillion, two hundred fifty-one billion, two hundred fourteen million, two hundred thirty-two thousand, four hundred thirty-four".