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2292231988 = 22573057997
BaseRepresentation
bin1000100010100000…
…1010111100110100
312220202020110011001
42020220022330310
514143302410423
61015242253044
7110542436044
oct21050127464
95822213131
102292231988
11a769a5902
1253b7b7184
132a6b854b7
1417a609724
15d6389cad
hex88a0af34

2292231988 has 6 divisors (see below), whose sum is σ = 4011405986. Its totient is φ = 1146115992.

The previous prime is 2292231983. The next prime is 2292231989. The reversal of 2292231988 is 8891322922.

It can be written as a sum of positive squares in only one way, i.e., 1674610084 + 617621904 = 40922^2 + 24852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2292231983) by changing a digit.

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 as a sum of consecutive naturals, namely, 286528995 + ... + 286529002.

Almost surely, 22292231988 is an apocalyptic number.

It is an amenable number.

2292231988 is a deficient number, since it is larger than the sum of its proper divisors (1719173998).

2292231988 is a wasteful number, since it uses less digits than its factorization.

2292231988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573058001 (or 573057999 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 2292231988 is about 47877.2596124716. The cubic root of 2292231988 is about 1318.5183842821.

The spelling of 2292231988 in words is "two billion, two hundred ninety-two million, two hundred thirty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 573057997 1146115994 2292231988