1022065072 has 20 divisors (see below), whose sum is σ = 2263144336. Its totient is φ = 438027840.

The previous prime is 1022065061. The next prime is 1022065111. The reversal of 1022065072 is 2705602201.

It is a super-2 number, since 2×1022065072² = 2089234022804730368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4562679 + ... + 4562902.

Almost surely, 2^1022065072 is an apocalyptic number.

It is an amenable number.

1022065072 is an abundant number, since it is smaller than the sum of its proper divisors (1241079264).

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

1022065072 is an equidigital number, since it uses as much as digits as its factorization.

1022065072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125596 (or 9125590 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1022065072 is about 31969.7524544686. The cubic root of 1022065072 is about 1007.3015811560.

Adding to 1022065072 its reverse (2705602201), we get a palindrome (3727667273).

The spelling of 1022065072 in words is "one billion, twenty-two million, sixty-five thousand, seventy-two".