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2212772 = 22553193
BaseRepresentation
bin1000011100001110100100
311011102100112
420130032210
51031302042
6115232152
724544142
oct10341644
94142315
102212772
111281541
128a8658
135c6243
14418592
152da982
hex21c3a4

2212772 has 6 divisors (see below), whose sum is σ = 3872358. Its totient is φ = 1106384.

The previous prime is 2212753. The next prime is 2212781. The reversal of 2212772 is 2772122.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 379456 = 1354^2 + 616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276593 + ... + 276600.

It is an arithmetic number, because the mean of its divisors is an integer number (645393).

22212772 is an apocalyptic number.

It is an amenable number.

2212772 is a deficient number, since it is larger than the sum of its proper divisors (1659586).

2212772 is a wasteful number, since it uses less digits than its factorization.

2212772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553197 (or 553195 counting only the distinct ones).

The product of its digits is 784, while the sum is 23.

The square root of 2212772 is about 1487.5389070542. The cubic root of 2212772 is about 130.3103433539.

Adding to 2212772 its reverse (2772122), we get a palindrome (4984894).

The spelling of 2212772 in words is "two million, two hundred twelve thousand, seven hundred seventy-two".

Divisors: 1 2 4 553193 1106386 2212772