10222780 has 48 divisors (see below), whose sum is σ = 23024736. Its totient is φ = 3799040.

The previous prime is 10222769. The next prime is 10222781. The reversal of 10222780 is 8722201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36240 + ... + 36520.

It is an arithmetic number, because the mean of its divisors is an integer number (479682).

Almost surely, 2^10222780 is an apocalyptic number.

10222780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10222780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11512368).

10222780 is an abundant number, since it is smaller than the sum of its proper divisors (12801956).

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

10222780 is a wasteful number, since it uses less digits than its factorization.

10222780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 10222780 is about 3197.3082428818. The cubic root of 10222780 is about 217.0316163664.

Adding to 10222780 its reverse (8722201), we get a palindrome (18944981).

The spelling of 10222780 in words is "ten million, two hundred twenty-two thousand, seven hundred eighty".