2251512230 has 16 divisors (see below), whose sum is σ = 4421151504. Its totient is φ = 818731680.

The previous prime is 2251512223. The next prime is 2251512233. The reversal of 2251512230 is 322151522.

It is a junction number, because it is equal to n+sod(n) for n = 2251512196 and 2251512205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251512233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10234037 + ... + 10234256.

It is an arithmetic number, because the mean of its divisors is an integer number (276321969).

Almost surely, 2^2251512230 is an apocalyptic number.

2251512230 is a deficient number, since it is larger than the sum of its proper divisors (2169639274).

2251512230 is a wasteful number, since it uses less digits than its factorization.

2251512230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20468311.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2251512230 is about 47450.1025288671. The cubic root of 2251512230 is about 1310.6641990456.

Adding to 2251512230 its reverse (322151522), we get a palindrome (2573663752).

The spelling of 2251512230 in words is "two billion, two hundred fifty-one million, five hundred twelve thousand, two hundred thirty".