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2292292 = 221972909
BaseRepresentation
bin1000101111101001000100
311022110102201
420233221010
51041323132
6121044244
725325032
oct10575104
94273381
102292292
111326262
12926684
136234b2
14439552
153042e7
hex22fa44

2292292 has 12 divisors (see below), whose sum is σ = 4033260. Its totient is φ = 1139936.

The previous prime is 2292289. The next prime is 2292299. The reversal of 2292292 is 2922922.

It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 148996 = 1464^2 + 386^2 .

It is a super-2 number, since 2×22922922 = 10509205226528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2292292.

It is not an unprimeable number, because it can be changed into a prime (2292299) 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, 667 + ... + 2242.

It is an arithmetic number, because the mean of its divisors is an integer number (336105).

22292292 is an apocalyptic number.

It is an amenable number.

2292292 is a deficient number, since it is larger than the sum of its proper divisors (1740968).

2292292 is a wasteful number, since it uses less digits than its factorization.

2292292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110 (or 3108 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 2292292 is about 1514.0317037632. The cubic root of 2292292 is about 131.8529890714.

The spelling of 2292292 in words is "two million, two hundred ninety-two thousand, two hundred ninety-two".

Divisors: 1 2 4 197 394 788 2909 5818 11636 573073 1146146 2292292