130144226 has 4 divisors (see below), whose sum is σ = 195216342. Its totient is φ = 65072112.

The previous prime is 130144219. The next prime is 130144241. The reversal of 130144226 is 622441031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622441031 = 487 ⋅1278113.

It can be written as a sum of positive squares in only one way, i.e., 129937201 + 207025 = 11399^2 + 455^2 .

It is a super-2 number, since 2×130144226² = 33875039122278152, 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, 32536055 + ... + 32536058.

Almost surely, 2^130144226 is an apocalyptic number.

130144226 is a deficient number, since it is larger than the sum of its proper divisors (65072116).

130144226 is an equidigital number, since it uses as much as digits as its factorization.

130144226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65072115.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 130144226 is about 11408.0772262463. The cubic root of 130144226 is about 506.7669710426.

Adding to 130144226 its reverse (622441031), we get a palindrome (752585257).

The spelling of 130144226 in words is "one hundred thirty million, one hundred forty-four thousand, two hundred twenty-six".