10522420 has 12 divisors (see below), whose sum is σ = 22097124. Its totient is φ = 4208960.

The previous prime is 10522411. The next prime is 10522427. The reversal of 10522420 is 2422501.

It can be written as a sum of positive squares in 2 ways, for example, as 1737124 + 8785296 = 1318^2 + 2964^2 .

It is a super-2 number, since 2×10522420² = 221442645312800, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 10522394 and 10522403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10522427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263041 + ... + 263080.

It is an arithmetic number, because the mean of its divisors is an integer number (1841427).

Almost surely, 2^10522420 is an apocalyptic number.

10522420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10522420 is an abundant number, since it is smaller than the sum of its proper divisors (11574704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10522420 is a wasteful number, since it uses less digits than its factorization.

10522420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526130 (or 526128 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10522420 is about 3243.8279855751. The cubic root of 10522420 is about 219.1317014649.

Adding to 10522420 its reverse (2422501), we get a palindrome (12944921).

The spelling of 10522420 in words is "ten million, five hundred twenty-two thousand, four hundred twenty".