1020222415 has 4 divisors (see below), whose sum is σ = 1224266904. Its totient is φ = 816177928.

The previous prime is 1020222389. The next prime is 1020222419. The reversal of 1020222415 is 5142220201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5142220201 = 31 ⋅165878071.

It is a cyclic number.

It is not a de Polignac number, because 1020222415 - 2⁵ = 1020222383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020222392 and 1020222401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020222419) 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, 102022237 + ... + 102022246.

It is an arithmetic number, because the mean of its divisors is an integer number (306066726).

Almost surely, 2^1020222415 is an apocalyptic number.

1020222415 is a deficient number, since it is larger than the sum of its proper divisors (204044489).

1020222415 is an equidigital number, since it uses as much as digits as its factorization.

1020222415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204044488.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1020222415 is about 31940.9206974376. The cubic root of 1020222415 is about 1006.6958702525.

Adding to 1020222415 its reverse (5142220201), we get a palindrome (6162442616).

The spelling of 1020222415 in words is "one billion, twenty million, two hundred twenty-two thousand, four hundred fifteen".