1022271492 has 48 divisors (see below), whose sum is σ = 2633524992. Its totient is φ = 306043680.

The previous prime is 1022271463. The next prime is 1022271511. The reversal of 1022271492 is 2941722201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35698 + ... + 57609.

It is an arithmetic number, because the mean of its divisors is an integer number (54865104).

Almost surely, 2^1022271492 is an apocalyptic number.

1022271492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022271492 is an abundant number, since it is smaller than the sum of its proper divisors (1611253500).

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

1022271492 is a wasteful number, since it uses less digits than its factorization.

1022271492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93408 (or 93406 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1022271492 is about 31972.9806555473. The cubic root of 1022271492 is about 1007.3693893617.

Adding to 1022271492 its reverse (2941722201), we get a palindrome (3963993693).

The spelling of 1022271492 in words is "one billion, twenty-two million, two hundred seventy-one thousand, four hundred ninety-two".