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130222522 = 265111261
BaseRepresentation
bin1111100001100…
…00100110111010
3100002000222201101
413300300212322
5231314110042
620531042014
73140605333
oct760604672
9302028641
10130222522
1167564121
123774030a
1320c95b61
141341b28a
15b6746b7
hex7c309ba

130222522 has 4 divisors (see below), whose sum is σ = 195333786. Its totient is φ = 65111260.

The previous prime is 130222511. The next prime is 130222541. The reversal of 130222522 is 225222031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225222031 = 1991131769.

It can be written as a sum of positive squares in only one way, i.e., 65918161 + 64304361 = 8119^2 + 8019^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130222522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32555629 + ... + 32555632.

Almost surely, 2130222522 is an apocalyptic number.

130222522 is a deficient number, since it is larger than the sum of its proper divisors (65111264).

130222522 is an equidigital number, since it uses as much as digits as its factorization.

130222522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65111263.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 130222522 is about 11411.5083139785. The cubic root of 130222522 is about 506.8685759409.

Adding to 130222522 its reverse (225222031), we get a palindrome (355444553).

The spelling of 130222522 in words is "one hundred thirty million, two hundred twenty-two thousand, five hundred twenty-two".

Divisors: 1 2 65111261 130222522