1048991022 has 24 divisors (see below), whose sum is σ = 2289170520. Its totient is φ = 347147280.

The previous prime is 1048991003. The next prime is 1048991023. The reversal of 1048991022 is 2201998401.

It is a super-2 number, since 2×1048991022² = 2200764328473208968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048991023) 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, 207129 + ... + 212132.

It is an arithmetic number, because the mean of its divisors is an integer number (95382105).

Almost surely, 2^1048991022 is an apocalyptic number.

1048991022 is an abundant number, since it is smaller than the sum of its proper divisors (1240179498).

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

1048991022 is a wasteful number, since it uses less digits than its factorization.

1048991022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419408 (or 419405 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1048991022 is about 32388.1308815436. The cubic root of 1048991022 is about 1016.0706900770.

The spelling of 1048991022 in words is "one billion, forty-eight million, nine hundred ninety-one thousand, twenty-two".