10222502420 has 36 divisors (see below), whose sum is σ = 23245615260. Its totient is φ = 3774461184.

The previous prime is 10222502419. The next prime is 10222502429. The reversal of 10222502420 is 2420522201.

It can be written as a sum of positive squares in 6 ways, for example, as 4786979344 + 5435523076 = 69188^2 + 73726^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10222502392 and 10222502401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222502429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1508825 + ... + 1515584.

It is an arithmetic number, because the mean of its divisors is an integer number (645711535).

Almost surely, 2^10222502420 is an apocalyptic number.

10222502420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222502420 is an abundant number, since it is smaller than the sum of its proper divisors (13023112840).

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

10222502420 is a wasteful number, since it uses less digits than its factorization.

10222502420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024444 (or 3024429 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The spelling of 10222502420 in words is "ten billion, two hundred twenty-two million, five hundred two thousand, four hundred twenty".